Since globalisation accelerated in the early 1990s, income inequality has increased in most developed countries and in some middle-income countries, including China and India. Also, inequality has declined in most countries of Latin America and the Caribbean and in many Sub-Saharan African and...

The present work analyzes convergence issues on a sample of international countries. By using nonparametric and semiparametric techniques, evidence of club convergence is found. Multimodality and persistence is a result emerging from the study of both real data and steady-state solutions. Thus,...