We estimate CO2 implicitly contained in traded commodities based on the GTAP 7 data: While net carbon imports into the industrialized countries amount to 15% of their total emissions, net carbon exports of the developing countries amount to 12% of their total emissions, and net carbon exports of...

The world runs a trade surplus with itself: Exporters report larger values of exports than what importers report as imports. This is a logically impossible but well known empirical fact. Less well known, in recent years, more than 80 percent of the global surplus is a trade surplus that the EU...

Tax reform is a permanent topic of the economic policy debate in Germany. The paper presents a radical reform proposal (as well as a survey of other proposals) and describes some steps towards the realization of the proposal. The tax system proposed mainly consists of a value added tax, a flat...

The debate over the use of tariffs or value added taxes in developing countries has focused on the difficulty of collecting VAT from the informal sector of the economy. This paper contributes by considering this issue with heterogeneous firms and endogenous entry. This yields two new results....

This paper estimates a linearised DSGE model for the euro area. The model is New Keynesian and allows for a role for oil usage and endogenous price markups. We find that the price markup reacts positively to the ratio of expected discounted profits to current output, which is normally seen to...