Step-by-step development of a model simulating returns on farm from investments: The example of hazelnut plantation in italy

Alisa Spiegel*, Simone Severini, Wolfgang Britz, Attilio Coletta

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Recent literature reviews of empirical models optimizing long-term investments in agriculture see gaps with regard to (i) separating investment and financing decisions, (ii) considering explicitly risk and temporal flexibility, and (iii) accounting for farm-level resource endowments and other constraints. Inspired by real options approaches, this paper therefore stepwise develops a model extending a simple net present value calculation to a farm-scale simulation model based on mathematical programming, which considers time flexibility, different financing options and down-side risk aversion. We empirically assess the different model variants by analysing investments into hazelnut orchards in Italy outside of traditional producing regions. The variants suggest quite different optimal results with respect to scale and timing of the investment, its financing and the expected NPV. The stepwise approach reveals which aspects drive these differences and underlines that considering temporal flex-ibility, different financing options and riskiness can considerably improve traditional NPV analysis.

Original languageEnglish
Pages (from-to)53-83
Number of pages31
JournalBio-based and Applied Economics
Volume9
Issue number1
DOIs
Publication statusPublished - 2020

Keywords

  • Perennial crop
  • Real options
  • Stochastic dynamic modelling
  • Stochastic optimization

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