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Autor:innen: 
Erscheinungsjahr: 
2020
Schriftenreihe/Nr.: 
ADBI Working Paper Series No. 1162
Verlag: 
Asian Development Bank Institute (ADBI), Tokyo
Zusammenfassung: 
This research study aimed to assesses the impact of infrastructure based on the evaluation of infrastructure provision's effect on public finance, presenting the case of Kutaisi International Airport in Georgia. In the case, we assessed the impact of the airport on the public finances of the region in which is located and its spillover effects on the related regions. For the assessment, we obtained regional quarterly tax data for the years 2011-17 from the Ministry of Finance of Georgia. We differentiated between three groups of taxes: total taxes, business taxes, and property taxes. We utilized the data to exploit the difference-in-difference (DiD) approach, assessing the impact of the airport on tax revenues for the group of affected regions relative to a control group of unaffected regions. We further distinguished effects for the short term (2013), medium term (2014-15), and long term (2016-17). We found statistically significant increases in the growth rates of all three groups of tax revenues in at least one phase, with the magnitude of the increase being up to 29 percentage points relative to the group of control regions. The results of the empirical study suggest that the reconstruction of the airport had a positive impact on the tax revenues of the state. The paper further discusses the current state of infrastructure financing in Georgia and outlines the importance of greater involvement of the private sector in infrastructure financing through public-private partnerships (PPPs). Consequently, the paper assesses the recent developments in the PPP policy of Georgia and benchmarks it against internationally recognized best practices. It defines the challenges faced by PPPs and provides recommendations for further improvement of the PPP-friendly environment in the country. Finally, the paper discusses the development of the approach to enable the government to use the incremental tax revenues to fill the viability gap for infrastructure projects by increasing the rate of return for private investors.
Schlagwörter: 
public-private partnerships
transportation investment
infrastructure
public infrastructure
state revenue
JEL: 
L33
E6
H54
H71
O22
R42
Creative-Commons-Lizenz: 
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Dokumentart: 
Working Paper

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