This study examines the validity of the Purchasing Power Parity (PPP) hypothesis to a developing country such as Papua New Guinea during the floating exchange rate regime. The empirical analysis was performed using recently developed Ng-Perron (2001) unit root tests which are more powerful than...

Studies on corporate social responsibility (CSR) across the world mainly focus on the impact of CSR on a firm’s financial performance. However, there are hardly enough empirical evidences on the firm’s financial determinants of CSR expenditure. Therefore working with panel data from...

Environmental degradation measured by CO2 emissions is a significant challenge to sustainable economic development. Owing to significant differences in the empirical relationship between the economic growth and CO2 emissions and policies adopted by different countries to overcome the challenge...