A new interest in the role of services in world transactions has been generated by the current efforts of the U. S …. Government to reduce barriers to international trade in services.The paper distinguishes four different classifications of … economic activities between services and corrmodities. Service industries -- those producing non-storable outputs -- have been …

perform in developed countries. We present a dynamic theory of commercial broadcasting where the media trade utility …-raising goods (programs, information, and services) with audiences in exchange for their exposure to advertisements (utility …

We empirically test an information economics based theory of social preferences in which ego utility and self … a large price discount for the good. The combined evidence supports the self-signaling theory whereby price discounts …

) by adding newly traded goods and services and that much of this new trade is in intermediates. I provide an extension of …