Exponential Hedging and Entropic Penalties

We solve the problem of hedging a contingent claim B by maximizing the expected exponential utility of terminal net wealth for a locally bounded semimartingale X . We prove a duality relation between this problem and a dual problem for local martingale measures Q for X where we either minimize relative entropy minus a correction term involving B or maximize the Q -price of B subject to an entropic penalty term. Our result is robust in the sense that it holds for several choices of the space of hedging strategies. Applications include a new characterization of the minimal martingale measure and risk-averse asymptotics.     

On the proportionality of EU spatial ex ante coexistence regulations: Reply

Desquilbet and Bullock (2010) criticize some aspects of our analysis of the European Union’s (EU) spatial ex ante coexistence regulations (SEACERs) of genetically modified (GM) and non-GM crops presented in Demont et al. (2009). We argue that, besides misinterpreting some of our original arguments, the authors propose a policy analysis framework which is inconsistent with the main goal of the EU’s SEACERs. Their example incorrectly suggests that SEACERs play an additional role of regulating non-GM crop supply on the market. This would be inefficient from a policy economics perspective, especially in an open economy where global trade is taken into account. Therefore, we argue that analyzing flexibility of SEACERs in a market framework could lead to erroneous conclusions and in that case a simple farm level analysis such as presented in Demont et al. (2009) is preferred.     

Agricultural Trade Liberalisation in the 21st Century: Has It Done the Business?

Based on a novel, detailed, time‐consistent tariff database taking account of import protection developments in the agricultural sector since 2001, we propose a statistical decomposition of the changes in the various types of tariffs. The results show that the multilateral system has played a limited role in trade liberalisation over the period. Many countries have continued to apply much lower tariffs on agricultural products than their WTO ceilings. Moreover, there has been substantial unilateral dismantling of tariffs over the period, so that much of the liberalisation took place outside WTO and regional agreements. The number of regional trade agreements has surged, but their impact on applied agricultural tariffs has been limited. Finally, we investigate the tariffs, trade and production implications for food and agricultural products of two extreme scenarios in the future development of trade negotiations: an ambitious surge of regional agreements and a trade war within the WTO context.     

Fragmented Territories: Incomplete Enclosures and Agrarian Change on the Agricultural Frontier of Samlaut District,North‐West Cambodia

In Cambodia, the interactions between large‐scale land investment and land titling gathered particular momentum in 2012–13, when the government initiated an unprecedented upland land titling programme in an attempt to address land tenure insecurity where large‐scale land investment overlaps with land appropriated by peasants. This paper is based on a spatially explicit ethnography of land rights conducted in the Samlaut district of north‐west Cambodia – a former Khmer Rouge resistance stronghold – in a context where the enclosures are both incomplete and entangled with post‐war, socially embedded land tenure systems. We discuss how this new pattern of fragmentation affects the prevailing dynamics of agrarian change. We argue that it has introduced new forms of exclusion and a generalized perception of land tenure uncertainty that is managed by peasants through the actualization of hybrid land tenure arrangements borrowing from state rules and local consensus. In contrast with common expectations about land formalization, the process reinforces the patterns of social differentiation initiated by land rent capture practices of early migrants and pushes more vulnerable peasants into seeking wage labour and resorting to job migration.     

Fear and Violence as Organizational Strategies: The Possibility of a Derridean Lens to Analyze Extra-judicial Police Violence

Journal of Business Ethics - Governments and majoritarian political formations often present police violence as nationalist media spectacles, which marginalize the rights of the accused and...     

International financial integration and real exchange rate long-run dynamics in emerging countries: Some panel evidence

The aim of this article is to provide new empirical evidence on the impact of international financial integration on the long-run Real Exchange Rate (RER) in 39 developing countries belonging to three different geographical regions (Latin America, Asia and MENA). It covers the period 1979–2004, and carries out ‘second-generation’ tests for non-stationary panels. Several factors, including international financial integration, are shown to drive the long-run RER in emerging countries. It is found that the new financial environment characterised by international financial integration leads to a depreciation of the RER in the long run. Further, RER misalignments take the form of an under-valuation in most MENA countries and an over-valuation in most Latin American and Asian countries.     

The Role of the Business Cycle in Exchange Rate Pass-Through: The Case of Finland

In this paper we investigate whether exchange rate pass-through (ERPT) responds nonlinearly to economic activity along the business cycle. Using quarterly data spanning the period 1975:1 to 2011:1, we explore the existence of nonlinearities in ERPT to CPI inflation for the Finnish economy. Within a logistic smooth transition framework, our investigations reveal a strong regime-dependence of pass-through, depending positively on economic activity. Besides, point estimates indicate that the long-run pass-through coefficient is equal to 0.15 % (weakly significant) when GDP growth is below a threshold of 3 %. However, when the Finnish economy’s growth rate speeds up—above the threshold of 3 %—ERPT elasticity increases to 0.47 %. These results provide some useful guidance on how policymakers should act over different phases of the business cycle. More specifically, monetary policy should factor in the nonlinear mechanism of ERPT over the business cycle in order to prevent exchange rate movements from fueling a continuous inflationary process.