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.     

An efficient heuristic for medium-term planning in shampoo production

This paper presents a single machine problem which occurs in shampoo production at medium-term planning phase. The considered production plant is linked to subsidiary companies which are themselves linked to final customers. The aim is to answer subsidiary companies requests by keeping their stocks in a window defined by their safety stock and maximum inventory levels. After an introduction, we present a formal definition of the problem. Next, we present a two-phase heuristic algorithm: the first phase is based on a greedy algorithm and the second phase on the Goldberg and Tarjan algorithm for the minimum cost flow problem. Experimental testings close to industrial instances show that the heuristic performs very efficiently.     

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.     

The Dutch Grey Market

When-issued trading concerns transactions in securities that have not yet been issued. This paper investigates the Dutch “grey market” for when-issued shares prior to stock splits, using a unique hand-collected data set. Market makers are more likely to set up a when-issued market when the underlying firm is larger, the relative trading volume of the stock is higher, and the stock return is less volatile. The when-issued securities trade at a small premium over the regular shares during the weeks prior to the stock split, but this when-issued premium disappears in the last days of trading.     

Firm Entry under Financial Frictions

How does a general‐equilibrium model behave when incorporating competitive firm entry that requires external finance? After conducting a steady‐state analysis, we reach three main results. First, the financial constraint has contractionary effects on both equity investment and the labor supply as they are inversely related to the marginal finance cost. Second, the dynamics of firm creation and destruction amplify the impact of changes in either productivity or banking efficiency due to procyclical firm entry. Third, a higher elasticity of substitution (that implies a lower mark‐up) cuts the number of firms and makes aggregate output fall.     

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.

     

Compliance versus preference: Understanding salesperson response to contests

Firms use sales contests to motivate salespeople; however, knowledge of their impact on salespeople is scarce. Acceptance of the contest, according to goal-setting theory, is essential for a contest to motivate salespeople (Hile-Hart et al., 1989). Yet attitude toward (or preference for) the contest is an important factor in motivating effort (Murphy and Dacin, 1998). In an experiment with financial services salespeople, this study examines the compliance effect (Chowdhury, 1993) and propositions that Murphy and Dacin (1998) suggest. Results support goal-setting theory, but also the importance of salesperson's attitude to the contest. While the study partially confirms Chowdhury's (1993) results regarding the influence of contest difficulty, his suggestion that difficulty leads to goal acceptance was not. Valence for winning does not relate to attitude significantly in the study here, contrary to Murphy and Dacin's (1998) propositions. The article develops an integrative model with implications for research and practice.