In this paper we analyse the relationship between gravity variables and f.o.b. export unit values using Hungarian firm-product-destination data. By taking firm-product level selection into account we show that export unit values increase with distance even for particular firm-product...

In this paper we analyze the relationship between gravity variables and f.o.b. export unit values using Hungarian firm-product-destination data. By taking firm-product level selection into account we show that export unit values increase with distance even for particular firm-product level...

Most trade theories assume bilateral trade relationships are forged on the basis of some comparative advantages, scale considerations, market structure or some productivity advantage of firms. Since these factors change slowly, bilateral trade relationships should be stable. However, we argue...