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Product Innovation with Lumpy Investment

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  • Chahim, M.
  • Grass, D.
  • Hartl, R.F.
  • Kort, P.M.

    (Tilburg University, Center for Economic Research)

Abstract

Abstract: This paper considers a firm that has the option to undertake product innovations. For each product innovation the firm has to install a new production plant. We find that investments are larger and occur in a later stadium when more of the old capital stock needs to be scrapped. Moreover, we obtain that the firm’s investments increase when the technology produces more profitable products. We see that the firm in the beginning of the planning period adopts new technologies faster as time proceeds, but later on the opposite happens. Furthermore, we find that the firm does not invest such that marginal profit is zero, but instead marginal profit is negative. Moreover, we find that if the time it takes to double the efficiency of technology is larger than the time it takes for the capital stock to depreciate, the firm undertakes an initial investment. Finally, we show that when demand decreases over time and when fixed investment cost is higher, that the firm invests less throughout the planning period, the time between two investments increases and that the first investment is delayed.

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Bibliographic Info

Paper provided by Tilburg University, Center for Economic Research in its series Discussion Paper with number 2012-074.

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Date of creation: 2012
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Handle: RePEc:dgr:kubcen:2012074

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Web page: http://center.uvt.nl

Related research

Keywords: Impuls Control Maximum Principle; Optimal Control; discrete continuous system; state-jumps; product innovation; retrofitting.;

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  1. Boucekkine, Raouf & Saglam, Cagri & Vall Ee, Thomas, 2004. "Technology Adoption Under Embodiment: A Two-Stage Optimal Control Approach," Macroeconomic Dynamics, Cambridge University Press, vol. 8(02), pages 250-271, April.
  2. Grass, D. & Chahim, M., 2012. "Numerical Algorithms for Deterministic Impulse Control Models with Applications," Discussion Paper 2012-081, Tilburg University, Center for Economic Research.
  3. Mehmet Yorukoglu, 1998. "The Information Technology Productivity Paradox," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 1(2), pages 551-592, April.
  4. Chahim, Mohammed & Hartl, Richard F. & Kort, Peter M., 2012. "A tutorial on the deterministic Impulse Control Maximum Principle: Necessary and sufficient optimality conditions," European Journal of Operational Research, Elsevier, vol. 219(1), pages 18-26.
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