I study the effects of competition in the City of Helsinki bus transit market by conducting two tests for common costs in these first-price sealed-bid procurement auctions. I introduce bidder asymmetry and pooling to the tests. I also discuss the need for robustness checks for some arbitrary...

We analyze how anticipated changes in the electoral vulnerability of municipal councilors affect their voting behavior over municipal mergers. The electoral vulnerability changes due to a merger because it changes the composition of political competitors and the number of available seats in the...