In the presence of a time-inconsistency problem with optimal agency contracts, we show that competitive markets implement allocations that Pareto dominate those achieved by a benevolent planner, they induce strictly more effort, and they sometimes make the commitment problem disappear entirely....

In a perfectly competitive market with a possibility of technological innovation we contrast guaranteed feed-in tariffs for electricity from renewables and tradable green certificates from a dynamic efficiency and social welfare point of view. Specifically, we model decisions about the...