Financial bubble theories emphasize the importance of behavioral mechanisms cen- tered around investor beliefs, which can be potentially gleaned from prevailing nar- ratives, that reflect investors’ psychological states and link them to economic events. By summarizing market narratives into...

This paper examines the role of speculative motives in the determination of commodity prices and specifically food related commodity prices. The motivation for this study is the considerable flow of funds into commodities, the widespread view that the process of financialization has led to...

We compare and contrast extensions of the classical rational model of commodity pricing due to Pindyck (1993), on the occasion of the 30-year anniversary of this seminal article. The extensions we consider admit time-varying discount rates, investors' heterogeneity or both. Heterogeneous...