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Market procyclicality and systemic risk

We develop a model that captures, at the same time, the temporal dynamics of single-firm credit risk and the contagion across banks via a network of obligations and common assets. In particular, we enrich the continuous-time modelling approach of default by accounting explicitly for the procyclical loop between asset prices and leverage. Contagion can spread well before any default…

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English / 01/01/2016

Evolutionary behavioural finance

The creation and protection of financial wealth is one of the most important roles of modern societies. People will commit to working hard and saving for future generations only if they can be sure that the efforts they exert every day will be rewarded by a better standard of living. This, however, can only be achieved with a well-functioning financial market. Unfortunately, a…

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English / 01/01/2016

Post-crisis macrofinancial modeling: continuous time approaches

Prior to the crisis the dominant paradigm in macroeconomic modeling was the micro-founded "New-Keynesian" DSGE model (described in many textbooks including the influential exposition of Woodford (2003)). In its most basic form this combines price-stickiness with forward looking decision making by both households and firms. This provides a tractable framework for capturing…

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English / 01/01/2016

The Impact of Cointegration on Commodity Spread Options

In this work we explore the implications of cointegration in a system of commodity prices on the premiums of options written on various spreads on the futures prices of these commodities. We employ a parsimonious, yet comprehensive model for cointegration in a system of commodity prices. The model has an exponential affine structure and is flexible enough to allow for an arbitrary…

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English / 01/01/2016

Protected values and economic decision-making

This chapter starts by reflecting on the notion of "value" in economics. It then describes how economic decision-making models are framed and examines their moral dimension. The foundations of traditional economic decision-making models contrast with the emphasis of psychological research on the role of deontological considerations in decision-making. The focus is on a…

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English / 01/01/2016

Customer-specific synergies and market convergence

We use an analytical model to study the effects of customer-specific synergies – i.e. synergies that arise when firms sell multiple products to the same customers. At the firm level, we show that the profitability of a customer-specific synergy depends upon cross-market correlation of customer preferences, differs when the synergy is cost-based versus differentiation-based, and can…

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English / 01/01/2016

Customer-specific synergies and market convergence

We use an analytical model to study the effects of customer-specific synergies – i.e. synergies that arise when firms sell multiple products to the same customers. At the firm level, we show that the profitability of a customer-specific synergy depends upon cross-market correlation of customer preferences, differs when the synergy is cost-based versus differentiation-based, and can…

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English / 01/01/2016

What does it mean to be responsible? Addressing the missing responsibility dimension in ethical leadership research

This paper extends research on ethical leadership by proposing a responsibility orientation for leaders. Responsible leadership is based on the concept of leaders who are not isolated from the environment, who critically evaluate prevailing norms, are forward looking, share responsibility, and aim to solve problems collectively. Adding such a responsibility orientation helps to…

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English / 01/01/2016

What does it mean to be responsible? Addressing the missing responsibility dimension in ethical leadership research

This paper extends research on ethical leadership by proposing a responsibility orientation for leaders. Responsible leadership is based on the concept of leaders who are not isolated from the environment, who critically evaluate prevailing norms, are forward looking, share responsibility, and aim to solve problems collectively. Adding such a responsibility orientation helps to…

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English / 01/01/2016

Lipschitz and Hölder stability of optimization problems and generalized equations

This paper studies stability aspects of solutions of parametric mathematical programs and generalized equations, respectively, with disjunctive constraints. We present sufficient conditions that, under some constraint qualifications ensuring metric subregularity of the constraint mapping, continuity results of upper Lipschitz and upper Hölder type, respectively, hold. Furthermore, we…

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English / 01/01/2016

Lipschitz and Hölder stability of optimization problems and generalized equations

This paper studies stability aspects of solutions of parametric mathematical programs and generalized equations, respectively, with disjunctive constraints. We present sufficient conditions that, under some constraint qualifications ensuring metric subregularity of the constraint mapping, continuity results of upper Lipschitz and upper Hölder type, respectively, hold. Furthermore, we…

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English / 01/01/2016

Occupational stereotypes and gender-specific job satisfaction

The data used in this paper were collected by the “Bundesinstitut für Berufsbildung (BIBB)” and the Institute for Employment Research (IAB) and are documented in the German “Zentralarchiv für Empirische Sozialforschung (ZA).” Neither the producers of the data nor the ZA bear any responsibility for the analysis and interpretation of the data in this paper. This study is partially…

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English / 01/01/2016

Financial regulation and social welfare: the critical contribution of management theory

While many studies explain how social science theories shape social reality, few reflect critically on how such theories should shape social reality. Drawing on a new conception of social welfare and focusing on financial regulation, we assess the performative effects of theories on public policy. We delineate how research that focuses narrowly on questions of efficiency and…

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English / 01/01/2016

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