This paper analyses the effects of the creation or removal of borders on firms' profits and their optimal location in an autarkic region. A firm chooses a position close to a border if a crucial degree of openness is achieved. Furthermore, the positive effect of removal of borders decreases in...

We develop a new general equilibrium model of monopolistic competition with heterogeneous firms, variable demand elasticity and multiple asymmetric regions, in which trade integration induces wage and productivity changes. Using Canada-US interregional trade data, we structurally estimate a...

We analyze the effect of the Öresund Bridge, a combined railway and motorway bridge between Swedish Malmö and the Danish capital Copenhagen, on inventive activity in the region of Malmö. Applying difference-in-difference estimation on individual-level data, our findings suggest that the...

This paper examines the importance of social and geographical networks in structuring entry into skilled occupations in premodern London. Using newly digitised records of those beginning an apprenticeship in London between 1600 and 1749, we find little evidence that networks strongly shaped...

The pattern of financial linkages is important in many areas of banking and finance. Yet bilateral linkages are often unknown, and maximum entropy serves as the leading method for estimating unobserved counterparty exposures. This paper proposes an efficient alternative that combines...