Purpose The purpose of this study is to investigate the relationship between renewable energy and economic growth of Bulgaria. Design/methodology/approach This study analyzes the relationship between renewable energy and economic growth of Bulgaria for the period 1990-2016, based on annual data, by using the Toda–Yamamoto analysis and Autogressive Distrubuted Lag (ARDL) bound test. This period is characterized by the democratization of the Balkans and several crisis cycles in Bulgaria. Renewable energy consumption (REC, percentage of total final energy consumption), renewable electricity output (REO, percentage of total electricity output) and economic growth (GDP constant 2010 US$) were used. The levels or differences of the variables that are stationary were investigated using the augmented Dickey–Fuller (ADF), Philips–Perron (PP) and Kwiatkowski-Philips-Schmidt-Shin (KPSS) unit root tests. Findings Three different results were obtained from this study. One showed that renewable energy consumption and renewable electricity output are the causes of economic growth. Another result of this study is that economic growth and renewable electricity output are the causes of renewable energy consumption. The last result is that economic growth and renewable energy consumption are not causes of renewable electricity output. There was no long-term relationship between variables. Research limitations/implications The ARDL and Toda–Yamamoto tests were used because of lack of data sets. Thus, it is estimated that there is no long-term relationship. Originality/value This study is an original work for Bulgaria, showing the results of the relationship between renewable energy and economic growth. In line with the results of this study, renewable energy projects related to Bulgaria can be predicted.
Purpose The purpose of this study is to investigate the effect of the Trans-Anatolian Natural Gas Pipeline Project (TANAP) on industrial production in Turkey. The TANAP is a project which ensures the security of the country’s natural gas supply and encourages a decrease in energy prices. So, this study investigates TANAP’s efforts to decrease gas prices, as well as the effects of gas prices on industrial production. Design/methodology/approach The data include gas prices and industrial production index series. Gas prices are approached for industrial users (nonresidential) in Turkey and industrial production index series have been discussed for whole industries. The Johansen cointegration method has been used to analyze the data, spanning the period from 2005M01 to 2015M11. Findings Results indicate that the decrease in the energy prices has a positive effect on the industrial production index, which is accepted as a basic sign of economic growth. Accordingly, it has been proved that gas priced had a significant effect on industrial production in Turkish economy during the respective periods. Research limitations/implications This study has supported the argument that TANAP helps to decrease gas prices in Turkey. It can be said that a decrease in gas price is expected to have positive effect on industrial production in the long-term. Originality/value The present study shows that projects such as TANAP can help gas importing countries like Turkey to decrease gas prices and increase industrial production. In this context, this study supports projects that decreasing gas prices for energy importing countries in the long term.
In this study, the relationship between population, elderly population and economic growth is analyzed theoretically, taking into account the demographic change of the Bulgarian population and the more aging phenomenon. Thus, the change in the age structure of the Bulgarian population was investigated and the factors affecting the growth of the relationship between economic growth were investigated. Developed countries are trying to solve the problem of low population growth with migration. Developed countries with younger populations, such as the European Union, also allow dwellings in some periods to dampen the population and prevent the resulting loss of employment. According to a report published by the EU Statistical Institute (Eurostat), it is stated that the number of the population working in the European Union will decrease by an average of 50 million in 2060. When the current migration rate is taken into account, it is predicted that by 2060 the number of people working in European Union countries will be 110 million people less than today's number. Migration in the demographic development of the European Union has a great proposition. If a qualified migration flow is provided, it is foreseen that the deficiencies that will arise in the European Union employment market in the coming years will be eliminated. In this study, attempts were made to determine the size of the changes taking place in the country's economy, depending on the livelihoods in Bulgaria.
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