Computable general equilibrium modeling of market access in services
Title: Computable general equilibrium modeling of market access in services
Citation: Peter B. DIXON and Dale Weldeau JORGENSON (eds), Handbook of computable general equilibrium modeling, Vol. 1a, Oxford : Elsevier/North Holland, 2013, Handbooks in economics, pp. 1601-1643
ISBN: 9780444536341; 9780444536358
We examine how the applied multisector computable general equilibrium (CGE) literature has moved into quantification of the impacts of greater market access for services. This includes discussion of multisector linkages to the service sector, as well both measuring barriers to trade and investment (generally with a mix of firm surveys, price comparisons and econometrics), and how changes in these barriers, however measured, have been implemented in the CGE literature. Three challenges are highlighted: (i) identification of how trade in services takes place and how market access is therefore affected by policy; (ii) to find data sufficiently robust for modeling purposes; and (iii) linked to the data problem, quantify the barriers to be examined. Significant progress has been made in modeling foreign direct investment and linking this to productivity, which turns out to be important. We also provide an example of modeling productivity linkages to openness and domestic regulation, with an applied CGE model of Italy. This illustrates cross-sector linkages and the integration of economic data and policy measures to define service sector experiments. Priorities for future research include better modeling of market structure, the linkages between sectors and the complementarities between different modes of supplying services.
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