, nested CES production functions over multiple inputs have been widely used. Although lack of reliable estimates of … reports estimates of substitution elasticities for normalized nested CES aggregate production functions for China with …

products. Even with CES preferences, markups are endogenous. Firms choose their optimal product scope by balancing the net …

form. This is not a contribution to the theory of aggregation generally. Instead it is a microfoundation for a specific but … popular production function -- the CES -- that helps us express the important concept of the elasticity of substitution in … theory, the utility function when there is household production, human capital theory, and the concept of the aggregate …

charged by firms due to import competition. The first source of gains can be measured as new goods in a CES utility function … for consumers, which in contrast to the CES case, allows for finite reservation prices for new goods and endogenous …

economic approach to index number theory. Hausman used a linear approximation to the demand curve to compute the reservation … price, while Feenstra used a reservation price of infinity for a CES demand curve, which will lead to higher gains. The … present paper evaluates these approaches, comparing the CES gains to those obtained using a quadratic utility function using …

endogenous saving rate when technology takes the Constant Elasticity of Substitution (CES) form. For a factor substitution …