The purpose of the study is to propose interpretations of the National Treatment (NT) provision included in Art. III GATT, unbound by case-law interpretations of this provision. To make such proposals, we need to understand the role of the provision in the agreement. To this end, we first...

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The importance of free innovative entry (deregulation) for diversity of structure and competition is studied. I demonstrate quantitatively that even with a narrow definition of entry (firms), and given observed entry behavior, successful entrants completely dominate the long run performance...

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Theoretical studies have shown that capital gains taxes in the housing market may create lock-in effects but so far no empirical evidence has been presented regarding the size of these effects. For a panel of Swedish house owners in 1984-1990, we show that lock-in effects only appear for...

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Several recent articles claim that pre-tax income equality promotes growth. Equality is argued to dampen demand for redistributive economic policies that tax returns to growth-enhancing activities such as investment. These results rest heavily on the assumption that pre-tax income equality is an...

I study the internal organization of firms using occupation data on workers in Swedish manufacturing firms. Firms with more layers are larger in size, in value added, and they pay higher wages. Firms are hierarchal in that lower layers have more workers and lower mean wage than higher layers....

The cross-country correlation between social trust and income equality is well documented, but few studies examine the direction of causality. We show theoretically that by facilitating cooperation, trust may increase efficiency and lead to more equal outcomes, while the feedback from inequality...