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Ekonomika
ISSN:
t
Vilniaus Universitetas
Lituania
Kbiladze, David; Metreveli, Shorena
THE SHADOW ECONOMY IS RETREATING: AN EXAMPLE OF GEORGIA
Ekonomika, vol. 95, núm. 2, octubre, 2016, pp. 108-117
Vilniaus Universitetas
Available in: https://www.redalyc.org/articulo.oa?id=692273678004
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Online ISSN 2424-6166. EKONOMIKA 2016 Vol. 95(2)
DOI: http://dx.doi.org/10.15388/Ekon.2016.2.10127
THE SHADOW ECONOMY IS RETREATING:
AN EXAMPLE OF GEORGIA
David Kbiladze*
Davit Agmashenebeli University of Georgia, Georgia
Shorena Metreveli
Georgian Technical University, Georgia
Abstract. The economy of Georgia had corruptive characteristics at the end of the last century and that has
largely contributed to the existence of high-scaled shadow economy. Tax avoidance by entrepreneurs is considered to be the main cause of shadow economy1 (Gabidzashvili, Kbiladze, 2010). The methodological measurement and assessment of the shadow economy is characterized by certain peculiarities; therefore, we have
aimed to examine and assess the scale of shadow economy and its impact on the overall economy of Georgia.
The research shows several differences between real indicators, obtained by interviewers using hidden chronometry, and those indicators declared by entrepreneurs (the non-traditional method of research). The differences reveal unregistered micro-level economy, and provide the basis for determining the scale of shadow
economy on the macroeconomic level. This problem was discussed several times by the president of Georgia.
The research uses methods of average values, time series and the correlation-regression analysis of data. The
study allowed us to identify the pattern of shadow economy reduction in Georgia during recent years and its
shifting from the illegal to legal sectors, also, the maintenance of same trends before 2020.
Keywords: Shadow economy, Declared indicator of turnover, Linear function, Correlation between events,
Forecasting impulses.
1. Introduction
Over the last 10 years, efforts of OECD member states are focused on overcoming
problems related to tax evasion. The same could be said about Georgia. Given goal has
direct link to determining the scope of shadow economy, which is possible by the usage
of several methods.
1 According to the survey results of the National Statistics Office, conducted in 2003, one-third of inquired
heads of 274 large companies distort declared information intentionally and 83% of them assume that the reason is
high tax rates.
* Corresponding author:
School of Economics and Business, Davit Agmashenebeli University of Georgia, 25 Chavchavadze avenue, Tbilisi,
Georgia
E-mail: d.kbiladze@yahoo.com
108
In this paper, we discuss the characteristics of evaluating shadow economy in the
real economical conditions of Georgia, on levels pertaining both to microeconomics and
macroeconomics. The paper is constructed as follows: Firstly, the results of empiricalstatistical research, conducted by nontraditional methods, are given for studies of
shadow economy. Here are also narrated the reactions of executive authorities regarding
this research. Next, presented is a problem related to modernisation issues of statistical
research and the usage of administrative resources of various administrative organs.
Also in this paper are given, primarily, the relation between the total economical output
and that of unrecorded economy (2003-2014) and, secondly, the forecasting empirical
research results of these indicators (till 2020).
2. Review of the theory and literature
Discussions related to shadow economy are directed in several manners. The first ones
are related to the definition of shadow economy (Ivanov, 2014, Lequiller, Blades, 2014;
Schneider, 2012; Jie, Tat, Rasli, Chye, 2011). Discussions of scientists do not essentially
differ from each other; they are mainly based on SNA-2008 documentations. Herewith,
Schneider (2012) considers taxonomy of hidden economic activities in terms of monetary
and non-monetary transactions. The second type of discussions is related to issues of
shadow economy and corruption (Schneider, 2007; Papava, 2002). Herewith, scientists are
discussing important losses in budgetary and non-budgetary funds of the country, which
are caused by high levels of shadow economy and corruption. The third type of discussions
is related with determining the scope of shadow economy (Shneider, 2012, 2015). The
issue is related to an indirect assessment of a given phenomenon, an assessment that uses
macroeconomic procedures. Direct micro-level procedures are also very actual; they aim
to determine the extent of shadow economy in particular fields. Exactly that is the subject
of our research, which introduces Georgian experience in this field (Schneider, 2012).
3. The revelation of shadow microeconomics
A particular amount of experience has been accumulated in the industrial field and other
statistical directions in order to study shadow economy in Georgia. The research interest of
this field arose from the fact that the period of the end of the past century until the beginning
of the current century saw a broad operation of shadow economy, which, by consequence,
sparked a high level of corruption. The “Integrated Index of Tax and Payment Corruption”
reached 7.9 per cent in 1999, which indicates that the country’s budget and non-budget
funds lost additional 7.9 tetri of potential income for each 1 GEL (Papava, 2002).
Same results were revealed by the authors’ calculations on the basis of data from
the National Statistics Office about the average values of those sectors of economy the
enterprises of which, according to representatives, are most “sensitive” towards shadow
economy. For this analysis, we may use data of years 2003 and 2008. We can only
rhetorically ask these questions: is it possible to believe that, according to 2003, the
109
declared average turnover of one restaurant was 104 GEL per day (according to data
relating to 2008 – 376 GEL)? Or that the price of baked bread, produced by a bakery,
reached an average of 144 GEL per day (according to data relating to 2008 – 350 GEL),
or that stores that trade in second hand goods sold products of only 63 GEL value per day
(According to data relating to 2008 – 87 GEL)? There is also hardly believable data of
one enterprise that carries out technical service and repairs motor vehicles and is earning
34 GEL per day, and this as well, according to data relating to 2008, reached a higher
value of 150 GEL (Gabidzashvili, Kbiladze, 2010).
The above-mentioned, which is, on the one hand, information characteristic of any
corruption level and, on the other, distorted declared primary data, should be considered
a serious signal (such is our hypothesis) for the existence of shadow economy; the
determination of the boundaries of this phenomenon is the main goal of our research.
In order to reveal the scale of the above-mentioned distorted declared primary
information and, accordingly, shadow economy itself, the State Statistics Department
decided to conduct a specially organised selective statistical study. Similar studies were
done within the overall framework of enterprise statistics, but, in our opinion, the most
interesting and effective in terms of informative value was the individual selection of
statistical observation methods for specific types of researches. Such studies were carried
out by specially trained interviewers through hidden time-keeping and were based on real
scale findings of the studied event: by counting, weighing, measuring and holding other
manipulations. As an example, we may list the selective statistical observation, chiefly
held in order to find the real indicator of restaurants turnover (National Statistics Office
of Georgia, 2000). Interviewers, situated around the vicinity of selected restaurants, were
observing and calculating the flow of entering customer from the opening until the closure
of the restaurants for a total duration of 10 days. Statistical observation was carried out
within working days as well as weekends. The second group of interviewers were as
though negotiating with managers of the restaurants for the purpose of hiring services
for a wedding, a birthday party or any other event; hence they were asking about the cost
of such service per one person. Managers were providing the interviewers with detailed
information about the minimum, average and maximum values of service per person.
By multiplying the averages of obtained information with the flow of customers arrived
at a restaurant, we acquire the real indicator of turnover. By distributing the obtained
data on periods of a month, a quarter year and a year, we get the actual indicators of
corresponding period turnover. Afterwards, by comparing obtained results with declared
indicators of restaurants, we revealed the differences between them and exactly these
results are considered to be the shadow side of this sector of economy.
Similar special studies were held in Georgia by support of the European Union program
TACIS, and, in addition to restaurants, it was devoted to determine the turnover of beauty
salons, quantity of fuel sales, actual indicators of construction produce, the real indicators
of bread baking, trade turnover indicators of individuals at markets and etc.
The obtained results of statistical observations held by the above-mentioned method
are as follows:
110
•
•
The declared indicators of beauty salons were 6 times lower than real indicators;
The indicators declared by restaurants were reduced by 3,7 times in comparison
with real indicators obtained by the research;
• The actual volume of sold fuel was 3,1 times higher in comparison with presented
official indicators;
• Actual volume of construction produce was more than 2 times higher as compared
to officially declared indicators;
• The actual indicator of bread baking was more than 3 times higher than declared
indicators;
• 40% of market individuals were hiding from state accounting and other official
indications (Gabidzashvili, Kbiladze, 2010).
The survey results were sent to the former President of Georgia. The ministers of the
relevant fields and the Mayor of Tbilisi were obliged, by the Resolution of the President,
to take appropriate action on relation to the research results. In addition, 4 presidential
decrees, relating to the condition and improvement of statistical accounting in the sectors
of industry, tourism, transport and communication were prepared and published. Changes
were made in the Tax Code, particularly the revising of tax rates, along with others. The
National Statistics Office has cancelled the monthly business surveys and introduced
quarterly surveys. Also, the enterprises turnover indicators of the Ministry of Finance
began being introduced into monthly information.
4. Administrative resources and the panel of special researches
in order to assess shadow economy
For as long as humans have it devised, statistical theory and practice are in the process
of permanent renewal, but they have become especially actual in the modern, interactive
world. In our opinion, statistical theory and practice in short and long term periods should
acquire the function of preparing information in an operative way, and this will become
the basis for correct and timely managerial decisions at different levels of management,
including the sphere of shadow economy legalisation.
As we have already mentioned, the National Statistics Office of Georgia makes
preliminary monthly estimations of economic growth, which are based on the turnover
of enterprises of who are payers of value added; also, it is based on data of fiscal and
monetary indicators. Assessments such as these made publications about current and
annual characteristics of economic growth operational. For example, preliminary data
of annual publications is published 11 months earlier than annual, regular publications.
Herewith, the only problem in monthly assessment is monthly measurement of the volume
of unobserved economy. One of the ways that are parallel with declared turnover indicators
of entrepreneurs is the above discussed usage of alternative information about turnover.
Accordingly with the matter of enterprises, where significant differences of turnover
volume between declared and actual indicators have been revealed by interviewers for
years, we find it reasonable to establish a panel of such enterprises. This information will
111
be supplied systematically and in accordance to the data of new researches. This exact
panel of such enterprises will become a major informative resource in order to assess
shadow economy in the industrial sphere.
Researches of this kind will allow us a future glance from past information
(T – I; T + II; T + III… T + n) and will also offer us forecasting impulses of turnover and
unobserved economic characteristics.
Thus, in order to assess the shadow economy with short-term (monthly) intervals, we
may possibly use the following equation:
Y = Xф – Xd
Where Y is the shadow economy,
Xф – is the actual rate of turnover (with non-traditional, alternative assessments);
Xd – declared rate of turnover.
The scheme described above allows us to operatively evaluate (on a monthly period)
the existing situation in economics. Using this scheme will make the monitoring of how
economics function more credible and operative.
5. Annual estimations of unrecorded economy,
the correlation between total output and forecasting impulses
Already adjusted data is published in accordance with regulated annual data in 11 months
from the end of the year. Among that is data about shadow economy, the volume of
which in addition to indicators of enterprise statistics includes household network data
from employment, expenses-output table data and etc.
In order to reveal the interconnection and to make forecasting calculations according
to the variables of total output and unregistered economy, we have to construct a time
line corresponding to years 2003–2014.
TABLE 1. Total output, Unregistered Economy and share of unregistered economy in Total Output of
Georgia in 2003–2014
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
112
Unregistered
Economy (billion GEL)
5,0
4,7
5,1
5,3
6,0
7,0
5,2
6,6
7,2
5,5
5,0
5,0
Total output
(billion GEL)
13,6
15,0
17,4
20,5
24,9
28,2
26,1
30,5
36,5
39,4
40,6
44,3
Share of unregistered economy
in total output (%)
36,6
31,2
29,5
25,9
24,0
24,7
19,8
21,7
19,7
13,9
12,2
11,2
Above-mentioned data is displayed graphically as follows:
CHART 1. Real unregistered and total output
As the table shows, absolute indicators of unregistered economy are changeable
according to years, so their characterisation in dynamics depends on the fact of
how correctly we analyse their volatility trend. For characterising the volatility of
unregistered economy, we have to level off empirical data according to chronological
dates. Firstly, we must display the actual data in the form of a diagram. Hence,
we have obtained a more uneven line, which is much closer to the linear equation
Y = a0 + a1t. In order to find function parameters, we have to use the least squares method
Σ(yt – yt)2 → min. We find such theoretical levels, whose deviation level squares sum
from empirical levels, to be minimal. If we will place y instead of the appropriate function
Σ(yt – a0 – a1t)2 → min, we will find the first order derivative separately for a0 and a1
parameters and we will receive the equation system for calculating parameters:
na0 + a1Σt = Σy
a0 Σt + a1Σt 2 = Σyt
In order to find the smoothed levels, we must solve the above-mentioned system by
transferring t to the reference center. By transferring t, we will obtain the following:
2003 year = -6;
Σy
2004 year = -5 and so on, so that Σt = 0. From the first equation a0 =
and the
n
Σty
second equation a1 = 2 (see Table 2).
Σt
Σty 7.902179
Σy 67.4
= 0.04
=
= 5.61 a1 = 2 =
182
n
12
Σt
y = 5.61 + 0.04t = 5.61 + 0.04(-6) = 5.4
a0 =
113
With the same rule, we will find y for other years, which is reflected in Table 2.
TABLE 2. Smoothing time series of shadow economy 2003–2014
year
Unregistered economy
(billion GEL) y
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
5,0
4,7
5,1
5,3
6,0
7,0
5,2
6,6
7,2
5,5
5,0
5,0
67,4
t
t2
yt
y
yt 2
t4
-6
-5
-4
-3
-2
-1
1
2
3
4
5
6
36
25
16
9
4
1
1
4
9
16
25
36
182
-29,8459
-23,3395
-20,5178
-15,8964
-11,9559
-6,98255
5,155847
13,22663
21,51673
21,87713
24,78038
29,88357
7,902179
5,4
5,4
5,4
5,5
5,5
5,6
5,7
5,7
5,7
5,8
5,8
5,9
67,4
179,0754
116,6976
82,07136
47,68922
23,91183
6,982555
5,155847
26,45326
64,5502
87,50853
123,9019
179,3014
943,2991
1296
625
256
81
16
1
1
16
81
256
625
1296
4550
The smoothed levels sum of unregistered economy Σy is equal to 67.4, the sum of
empirical levels Σy is equal to 67,4. This means that the function is precise; it is so
because it meets the condition of problem minimisation (the condition of least squares
method) Σ(yt – y)2 = (67.4 –67.4)2 = 0.
Now, we may observe the relationship between the indicators of the total output and
the dynamics of unregistered economy. For this reason, we have to construct a table.
TABLE 3. The smoothed indicators of total output and unregistered economy
Year
1
2
3
4
5
6
7
8
9
10
11
12
114
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
UnregisTotal
tered
Output
Economy
(Billion
xy
x– x
(Billion
GEL)
GEL)
Y
X
5,4
13,6
72,79894 -0,3
5,4
15,0
80,8674 -0,2
5,4
17,4
94,51881 -0,2
5,5
20,5
112,4231 -0,1
5,5
24,9
137,7426 -0,1
5,6
28,2
157,3509 0,0
5,7
26,1
147,5103 0,0
5,7
30,5
173,716
0,1
5,7
36,5
209,6223 0,1
5,8
39,4
228,1114 0,2
5,8
40,6
236,4948 0,2
5,9
44,3
260,5484 0,3
67,4
336,9 1911,705
(x – x )2
y– y
(y – y )2
x2
y
0,067866
0,047129
0,030163
0,016967
0,007541
0,001885
0,001885
0,007541
0,016967
0,030163
0,047129
0,067866
0,343101
-14
-13
-11
-8
-3
0
-2
2
8
11
12
16
209,7204
171,5134
114,639
57,45659
9,990717
0,027043
4,032607
5,709488
70,71263
128,3573
155,5906
264,6444
1192,394
28,66908
29,13592
29,60653
30,08092
30,55907
31,04099
32,01615
32,50938
33,00639
33,50716
34,01171
34,52002
378,6633
12,99921
15,51233
18,02546
20,53858
23,0517
25,56482
30,59107
33,10419
35,61731
38,13044
40,64356
43,15668
336,9353
We must present the Indicators of smoothed and total output of unregistered economy
according to 2003–2014 on the Diagram.
CHART 2. Indicators of smoothed and total output of unregistered
economy 2003–2014
As we have already mentioned above, at the end of the last century, the indicator of
unregistered economy was so high in the industrial sector that it came out higher than
any of the official indicators. So we could have given its content with function Yx = f(x),
where Y was unregistered economy and x the total output. By economic comprehension, it
meant that the basic content of entrepreneurial process firstly had corruptive purpose, but
we know that economy in general consists of 5 institutional sectors and, while calculating
unregistered economy in the other four (financial corporations, public administration
sector, households and non-commercial organisation serving households), the declared
indicators of total output appear to prevail unregistered economy; in turn, the analysis
of the correlation between events will be pertinent for non-financial corporations of
whose independent and dependent variables exchange their places in the aforementioned
function. Afterwards, the function will turn out to be Y = f(x), where Y is total output (the
result) and X unregistered economy (factor).
If we add the mentioned data in a linear function Y = a0 + a1x, we will acquire the
following result: Y = -296,9 + 57,8x.
On the basis of our function, we calculated the coefficient of elasticity.
E =b
x
5.61
= 57.8
= 11.54
y
28.1
In our example, the elasticity coefficient is greater than 1; consequently, X significantly
affects Y.
115
Thus, the reduction of unregistered economy had caused the growth of total output,
which was firstly reflected in the growth of declared indicators. This is a step forward for
Georgian statehood.
Our research also demonstrates impulses of forecasting indicators until 2020, which
are presented on the table below.
TABLE 4. Forecasting indicators of the total output and unregistered economy in 2015–2020
Total output (Billion GEL)
y
Unregistered Economy (Billion GEL)
x
t
2015
45,66980242
5,91879
7
2016
48,18292481
5,96221
8
2017
50,6960472
6,00563
9
2018
53,20916959
6,04905
10
2019
55,72229197
6,09247
11
2020
58,23541436
6,13589
12
Year
By 2020, the share of unregistered economy in total output will be 10.5 per cent,
instead of the current 11.2 per cent in 2014.
Thus, as the given research shows, shadow economy is retreating from Georgia, a
process that will become more visible after fully implementing the comprehensive trade
agreement between EU and Georgia.
6. Conclusion
The purpose of the article was to investigate the change of such an unfavourable
phenomenon of economics as shadow economy. Within the article are presented the
features of measurement and evaluation of shadow economy in the real sector of
Georgian economy, the correlation between indicators of total output and unregistered
economy, and forecast impulses till 2020.
Within this article are proposed suggestions about the modernisation of statistical
theory and practice. Here are considered the usage of alternative (non-traditional) forms
of statistical observation and the advancement of operativeness of statistical research,
which will not only catch up with timely publication of information that characterizes
current events and processes, but will also offer forecasting impulses for making timely
managerial decisions.
These research results will be useful for governmental organs while planning macroeconomic development programs. Also, the results might be convenient for researchers,
scientists and students who work on problems related to shadow economy.
116
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