Hattori, Masahiko and Tanaka, Yasuhito (2015): Subsidy or tax policy for new technology adoption in duopoly with quadratic and linear cost functions. Published in: Economics Bulletin
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Abstract
We present an analysis about subsidy (or tax) policy for adoption of new technology in a duopoly with a homogeneous good. Technology itself is free. However, firms must expend fixed setup costs for adoption of new technology, for example, education costs of their staffs. We assume linear demand function, and consider two types of cost functions of firms. Quadratic cost functions and linear cost functions. There are various cases of optimal policies depending on the level of the setup cost and the forms of cost functions. In particular, under linear cost functions there is the following case.
The social welfare is maximized when one firm adopts new technology, however, both firms adopt new technology without subsidy nor tax. Then, the government should impose taxes on one firm or both firms.
Under quadratic cost functions there exists no taxation case. There are subsidization cases both under quadratic and linear cost functions.
Item Type:  MPRA Paper 

Original Title:  Subsidy or tax policy for new technology adoption in duopoly with quadratic and linear cost functions 
Language:  English 
Keywords:  subsidy or tax for new technology adoption, duopoly, quadratic cost, linear cost 
Subjects:  D  Microeconomics > D4  Market Structure, Pricing, and Design > D43  Oligopoly and Other Forms of Market Imperfection L  Industrial Organization > L1  Market Structure, Firm Strategy, and Market Performance > L13  Oligopoly and Other Imperfect Markets 
Item ID:  65008 
Depositing User:  Yasuhito Tanaka 
Date Deposited:  12. Jun 2015 18:40 
Last Modified:  12. Jun 2015 18:54 
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URI:  https://mpra.ub.unimuenchen.de/id/eprint/65008 
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Subsidy or tax policy for new technology adoption in duopoly with quadratic and linear cost functions. (deposited 09. Jun 2015 14:43)
 Subsidy or tax policy for new technology adoption in duopoly with quadratic and linear cost functions. (deposited 12. Jun 2015 18:40) [Currently Displayed]