Free migration within Europe means that countries that have done a better job at reducing unemployment will predictably end up with more than their fair share of refugees. Workers in these countries bear the cost in depressed wages and higher unemployment, while employers benefit from cheaper labor.

Negative interest rates hurt banks' balance sheets, with the 'wealth effect' on banks overwhelming the small increase in incentives to lend.

Letting bygones be bygones is a basic principle in economics.

Joseph Stiglitz Quotes