Based on my recent work with several co-authors this paper explores the relationship between discretion, reputation, competition and entry in procurement markets. I focus especially on public procurement, which is highly regulated for accountability and trade reasons. In Europe regulation...

Harassment bribes - payments people give in order not to be denied what they are legally entitled to - are common in for example India. Kaushik Basu recently made a radical proposal to reduce its occurrence: Legalize the act of giving the bribe and double the fine for accepting the bribe! We...

We study interactions with different durations and termination rules in a (quasi) continuous-time prisoner’s dilemma experiment. We find that cooperation is easier to achieve and sustain with deterministic horizons than with stochastic ones; end-game effects emerge, but subjects postpone them...

Contracts often reward inefficient tasks and are not enforced ex post. We provide an explanation based on the relationship between explicit contracts and implicit agreements. We show that signing but then ignoring contractual clauses requiring costly, inefficient, verifiable tasks (A) may...

This paper reports results from a laboratory experiment exploring the relationship between reputation and entry in procurement. There is widespread concern among regulators that favoring suppliers with good past performance, a standard practice in private procurement, may hinder entry by new...