The paper presents univariate and panel unit root tests for gasoline and oil price convergenceover the last decade. We test for the absolute versus relative version of the LOOP andestimate the speed of convergence as well as its development over time...

Although immigration of workers generates a positive externality on members of domesticpension systems...

Razin and Sadka (1999) show that unskilled immigration is beneficial to all income and all age groups in society, even if immigrants are net beneficiaries of the welfare system. Among other things, this result rests on the assumptions that immigrants have the same reproduction rate as the native...