Can extending social welfare expenditures promote economic growth? This issue has been discussed extensively, with some research pointing to net benefits while others find a net negative impact. Insight can be gained by careful analysis of several sub-questions. For example, for two countries...

The paper applies the recently developed panel LM unit root tests with heterogeneous structural breaks by Im et al., [The Oxford Bulletin of Economics and Statistics, 2005] in order to re-examine the validity of mean reversion in the inflation rates of 19 OECD countries for the time period...

Over the last decade, there has been a growing interest in investigating agricultural commodity prices. We apply two more powerful smooth transition autoregressive models of the non-linear unit-root test - namely, the ESTAR model of Kapetanios et al. [Journal of Econometrics (2003)] and the...

The paper applies the recently developed panel LM unit root tests with heterogeneous structural breaks by Im et al., [The Oxford Bulletin of Economics and Statistics, 2005] in order to re-examine the validity of mean reversion in the inflation rates of 19 OECD countries for the time period...

This paper investigates the attitudes of political parties to international trade in 23 OECD countries in the period 1972–2004. Employing different datasets and various measures of trade openness, we examine how government ideology affects trade policy preferences and whether this relationship...

We investigate the synchronization of growth cycles between China and 11 Asia-Pacific countries using quarterly data for the period 1993:2-2012:4. We employ a wavelet-based measure of comovement to examine the degree of business cycle synchronization in the time-frequency framework. While we...

Using daily data from January 1, 2020 to March 31, 2021, this research explores COVID-19 shocks on the stock market of 15 representative oil exploration and production enterprises from 7 countries. We measure the COVID-19 epidemic from two levels, government response stringency index and number...

This study explores the stationary property of electricity consumption for Hunan province in China over the period January 2013 to April 2023. Our analysis uses the panel stationarity tests, which take into account the factor structure and structural breaks. The results indicate supportive...