Semi-analytical prices for lookback and barrier options under the Heston model

Decisions in Economics and Finance - Under the Heston stochastic volatility model, we derive semi-analytical formulas for the prices of path-dependent options with payoffs linked to the maximum or...     

Reforming the international monetary system: a stock-flow-consistent approach

Abstract:

The emergence and persistence of large trade imbalances as well as the volatility of financial flows among countries have been attributed, at least in part, to the inadequacy of the current international monetary system after the breakdown of Bretton Woods. From a different perspective, the current eurozone crisis is also the result, in our view, of a flawed institutional setting. These problems call for reforms to mitigate or avoid the recessionary bias that is the outcome of current systems, as Keynes predicted in the discussion preceding the Bretton Woods agreements. In this paper we briefly review the evidence on international imbalances, and survey the rapidly growing literature on the subject. We introduce a set of models based on the stock-flow-consistent approach pioneered by Godley (1999 Godley, W. “Open Economy Macroeconomics Using Models of Closed Systems.” Working Paper no. 281, Levy Economics Institute of Bard College, 1999. [Google Scholar]) and Lavoie and Godley (2003 Lavoie, M., and Godley, W. “Two-Country Stock-Flow Consistent Macroeconomics Using a Closed Model Within a Dollar Exchange Regime.” CERF Working Paper no. 10, University of Cambridge, 2003. [Google Scholar]). We discuss how to use these models to explore potential reform of the international monetary system.     

Has local informational advantage disappeared?

This study examines how changes in the information environment affect the informational advantage of geographically proximate agents. The long‐term advantage of local agents disappeared at the turn of the millennium. This is accompanied by the reduction in local bias of institutional investors and equity analysts. However, institutional investors continue to trade local stocks disproportionately more often than non‐local stocks; moreover, their local trades outperform non‐local trades in the short term—even for large and liquid stocks. Our results are consistent with improvements in the information environment shortening the horizon of proximity‐based informational advantage.     

EU quality labels in the Italian olive oil market: How much overlap is there between geographical indication and organic production?

In the early 1990s, the European Union established two main quality schemes: geographical indications (GIs) and organic production (OP). Despite the abundant literature on the EU quality schemes applied to many food categories, including extra virgin olive oil, in most studies, GIs and OP are analysed separately, under the assumption that they are independent. This study aims to prove that synergies exist between GIs and OP labels. We analysed EU labelling on GIs and organic attributes simultaneously using bivariate probit models, and also assessed the level of independence from each other. A survey was administered to Italian consumers to elicit their purchasing behaviour of olive oil. The results found a correlation between the two certifications, highlighting the promising use of both certifications for olive oil products.     

Service Science Management Engineering and Design (SSMED): a semiautomatic literature review

ABSTRACT

SSMED (Service Science, Management Engineering and Design) is multidisciplinary by nature. However, some authors stated that SSMED publications remain focused on single scientific domains. This paper proposes a Semiautomatic Literature Review (SALR) using integrated techniques for knowledge extraction –‘Time Aware Knowledge Extraction’ (TAKE) – to analyse the interdisciplinarity of SSMED publications and the potential for transdisciplinarity based on the actual adoption of Service-Dominant Logic as the foundation of SSMED research. Findings reveal that: 1) most SSMED publications are not interdisciplinary and are mainly related to Management; 2) Service-Dominant Logic has been adopted very often in SSMED publications, paving the way for SSMED transdisciplinarity.

This paper offers theoretical and practical insights by enhancing the knowledge about SSMED literature and enriching the state of the art related to techniques to perform literature reviews. Furthermore, it stimulates the expansion of scholars’ and managers’ views of holistic approaches to service systems while fostering SSMED viability.     

Skills and labour incomes: how unequal is Italy as part of the Southern European countries?

This paper performs a comparative investigation of the effects of the Great Recession on the labour market structure and wage inequality in certain countries in Southern Europe (Greece, Italy, Portugal, and Spain). By exploring the intensity of the decline of middle-skill jobs during the years 2005–2013, which makes it possible to sketch what the labour market structure has set for itself (i.e., job polarisation, upgrading or neither), the objective is to relate these changes to wage inequality and its leading determinants. Through the Recentered Influence Function regression of the Gini index on EU-SILC data, Italy is compared to each selected country in order to evaluate how much of the spatial inequality gap is accounted for by the endowment in employee characteristics (composition effect) rather than the capability of each country’s labour market to reward these characteristics (wage structure) and, second, to identify those factors that are quantitatively more significant in making differentials. In brief, Italy is less unequal than the other Southern European countries. A larger amount of its “inequality advantage” depends on the wage structure. That is, the capacity of the country’s labour market in rewarding individual endowments is more important than the ways in which they are distributed across space.     

Board diversity,firm risk,and corporate policies

We examine the effects of diversity in the board of directors on corporate policies and risk. Using a multidimensional measure, we find that greater board diversity leads to lower volatility and better performance. The lower risk levels are largely due to diverse boards adopting more persistent and less risky financial policies. However, consistent with diversity fostering more efficient (real) risk-taking, firms with greater board diversity also invest persistently more in research and development (R&D) and have more efficient innovation processes. Instrumental variable tests that exploit exogenous variation in firm access to the supply of diverse nonlocal directors indicate that these relations are causal.     

A stochastic model to evaluate pricing distortions in indemnity insurance methods for MTPL insurance

Direct compensation or the direct reimbursement scheme is an indemnity insurance method that many European and American countries use to manage motor liability claims in which the driver that suffers an accident is paid by his/her insurance company that possibly later receives a flat-rate reimbursement (known as forfeit). Using non-life actuarial methodologies, this article analyses the distortion effects due to the direct compensation mechanisms and the effects of different forfeit reimbursement systems on policyholder tariffs in the management of motor liability claims involving vehicles in two different sectors, i.e. automobile and motorcycle. We empirically analyse and formalize the distortion effects resulting from the mechanism that different direct reimbursement systems produce, and explore the correlation between increasing tariffs for motorcycle policyholders and decreasing tariffs for other vehicle policyholders. We propose some alternative methods to overcome these distortion effects, evaluating their pricing impact through a stochastic model applied to a case study.

     

Understanding Investor Sentiment: The Case of Soccer

We examine the extent to which the stock market's inefficient responses to resolutions of uncertainty depend on investors’ biased ex ante beliefs regarding the probability distribution of future event outcomes or their ex post irrational reactions to these outcomes. We use a sample of publicly traded European soccer clubs and analyze their returns around important matches. Using a novel proxy for investors’ expectations based on contracts traded on betting exchanges (prediction markets), we find that within our sample, investor sentiment is attributable, in part, to a systematic bias in investors’ ex ante expectations. Investors are overly optimistic about their teams’ prospects ex ante and, on average, end up disappointed ex post, leading to negative postgame abnormal returns. Our evidence may have important implications for firms’ investment decisions and corporate control transactions.