Browsing by Author "Lahkar, Ratul"

Now showing items 1-8 of 8

    • Absence of economic and social constants 

      Chakrabarti, Anindya; Lahkar, Ratul (Springer, 2016)
      In this article, we discuss the possibility of economics as a discipline emulating the success of hard sciences. In our view, a fundamental obstacle arises from the fact that economics does not have (m)any stable and ...

    • Aspiration, Learning and Social Change 

      Lahkar, Ratul (2014-07)
      We consider the problem of the transition from the Pareto inferior pure strategy Nash equilibrium in the stag hunt game to the Pareto superior equilibrium. We adopt the methodology of learning and evolutionary game theory ...

    • Does Competition in the Microfinance Industry Necessarily Mean Over-borrowing? 

      Lahkar, Ratul; Pingali, Viswanath; Sadhu, Santadarshan (2013-11-21)
      In this paper we test the hypothesis of whether the presence of increasing number of microfinance institutions leads to over-borrowing. Some recent theoretical literature suggests that, in a joint liability setting, ...

    • Entry of Profit-Motivated Microfinance Institutions and Borrower Welfare 

      Pingali, Viswanath; Lahkar, Ratul (2013-11-22)
      In this paper, we model welfare implications of entry of commercial micro nance institutions (MFIs). We initially characterize equilibrium with a sole fund-constrained benevolent credit institution followed by equilibrium ...

    • An evolutionary analysis of growth and fluctuations with negative externalities 

      Chakrabarti, Anindya; Lahkar, Ratul (Springer International Publishing, 2018)
      We present an evolutionary game theoretic model of growth and fluctuations with negative externalities. Agents in a population choose the level of input. Total output is a function of aggregate input and a productivity ...

    • Expansion and welfare in microfinance: a screening model 

      Lahkar, Ratul; Pingali, Viswanath (Economic Modelling, 2016-02)
      The expansion of microfinance has triggered concerns of rising indebtedness, and higher default and interest rates. Using a screening model, we show that even if interest and default rates increase due to expansion, borrower ...

    • Productivity dispersion and output fluctuations: an evolutionary model 

      Chakrabarti, Anindya; Lahkar, Ratul (Elsevier B.V., 2017)
      We develop a model of technology choice with search costs. Innovators develop technology of varying quality or productivity. Firms acquire technology after paying a search cost to find high productivity technology. The ...

    • Risk diversification through multiple group membership in microfinance 

      Lahkar, Ratul; Pingali, Viswanath (Applied Economics Letters, 2014)
      We consider group formation in the joint liability setting in microfinance. Joint liability imposes additional liability of having to repay for group partners should they fail to repay. Multiple group membership allows ...