Many legal advisers, scientists and practitioners know since many years, that the Common External Tariff (CET) of the European Community (EC) is being applied non-uniform from the different national customs services and that the economic operators are using this systematic fault of the EC for...

Not sufficiently harmonised national pension systems within the European Union distort the allocation of labour and endanger redistributive activities. This paper identifies the most decentralised level of harmonisation which guarantees efficient allocation and enables redistribution. For this,...

Should the EU introduce an Optional European Contract Law Code and what should it look like? By applying economic theories of federalism and regulatory competition (legal federalism), it is shown why an Optional Code would be a very suitable legal instrument within a two-level European System of...

This paper constitutes an attempt to reframe and eventually deflate the ongoing 'compliance-vs.-rebalancing' debate which has permeated WTO scholarship for the last 10 years. Our main criticism concerns the substance of the entire debate. We find that scholars on both sides of the...

This paper is a contribution to the literature on rational design of trade agreements. The World Trade Organization (WTO) is an incomplete contract among sovereign states. Incomplete contracts contain gaps. Ex post, contractual gaps may leave gains from trade unrealized; they may create 'regret'...

This paper is a contribution to the literature on rational design of trade agreements. The World Trade Organization (WTO) is an incomplete contract among sovereign states. Incomplete contracts contain gaps. Ex post, contractual gaps may leave gains from trade unrealized; they may create...

This paper constitutes an attempt to reframe and eventually deflate the ongoing “compliance-vs.-rebalancing” debate which has permeated WTO scholarship for the last 10 years. Our main criticism concerns the substance of the entire debate. We find that scholars on both sides of the...

Economics and security seem increasingly intertwined. Citing national security, states subject foreign investments to new scrutiny, even unwinding mergers like the purchase of Grindr or the creation of TikTok. The provision of 5G has become a diplomatic battleground – Huawei at its center....

Poorly developed countries with weak institutions often face severe commitment problems. International investors are reluctant to invest in these countries because their property rights are insufficiently protected. We argue that in order to overcome the commitment problem countries may subject...

Services of general interest (SGI) are a key component of the EU economy, accounting for 26% of GDP and 30% of employment within the EU. They cover economic and noneconomic activities alike. They are to be distinguished from services of general economic interest (SGEI), which are economic...