Nonparametric neural network modeling of hedonic prices in the housing market

This article addresses the contribution to hedonic modeling of a nonparametric approach based on artificial neural network (ANN) regressions. ANNs provide consistent estimates for the hedonic price of each attribute and permit a number of hypotheses on the hedonic price relationship to be tested nonparametrically. In particular, we exploit results by Stinchcombe and White (Econom Theory 14:295?C324, 1998) in order to carry out misspecification testing in linear and semiloglinear hedonic models. The same approach directly applies to testing misspecification of any parametric specification for the hedonic relationship. A nonparametric significance test for the variables in the hedonic model is also proposed. The test extends the approach developed by Racine (J Bus Econ Stat 15(3):369?C378, 1997) in kernel-based nonparametric testing to ANN-based inference. The finite sample performance of the proposed tests is analyzed through Monte Carlo experiments, and simulation-based algorithms for computation of the null distribution of the tests are proposed. Then, the performance of three classes of regression models??linear, semi-log, and ANNs??applied to hedonic price modeling in a Spanish regional housing market is compared. Our results indicate the presence of nonlinear behavior, as predicted by economic theory, with the ANN-based tests detecting statistically significant evidence of misspecification??both in the linear and the semilog specifications??and ANN regressions providing moderate improvement of predictive performance.     

Correction: The Bill,Please! Households’ Real Returns on Financial Assets Since the Introduction of the Euro

Intereconomics - In the article “The Bill, Please! Households’ Real Returns on Financial Assets Since the Introduction of the Euro” by Marc-Peter Radke and Manuel Rupprecht in...     

What Do Wages Add to the Health‐Employment Nexus? Evidence from Older European Workers

The role of wages in the health‐employment nexus can be important for designing employment policies aimed at older workers with health limitations. We, therefore, estimate the direct effect of health on employment and hours worked and its indirect effect that is mediated through wages using individual‐level panel data from SHARE. The endogeneity of self‐reported health is controlled for by instrumenting it with severe health conditions in a correlated random effects model. For men, we find that the direct effects of health deterioration, as measured by a reduction in health from the 75th to the 50th percentile of the health distribution, are about a 20% point lower employment probability and about 171 fewer hours worked per year. The indirect health effects through wages work in the opposite directions as health positively affects wages and wages negatively affect employment and hours worked. The total effects of this health deterioration amount to a 12% point lower employment probability and 95 fewer hours worked per year. In particular our finding of a large direct health effect on employment suggests an instrumental role for policy aimed at accommodating workers with health limitations to keep them employed at older ages.     

Market reaction to supranational banking supervision in Europe: Do firm- and country-specific factors matter?

This paper investigates the financial market´s perception regarding the effectiveness of the Single Supervisory Mechanism in Europe. Do investors believe that centralized supervision adds value compared to multiple supervision? . Do they feel uncertain about the supervisory role of the ECB? To answer these questions, a sample of 118 European Banks has been used finding that whereas in early dates the market reaction was positive reflecting the expectation of greater stability, it turned negative at the time the scope of the supervision was limited to only a group of banks. As might be expected, the reaction is significantly more negative for the directly supervised entities, anticipating a different and more demanding style of supervision that could lead to higher cost. This negative wealth effect is intensified for banks with higher price-to-book ratios or those located in countries with more developed financial systems and better investor protection. However, solvency and productivity firm indicators or low levels of perceived corruption moderate it. This research not only highlights the doubts and uncertainty of investors about the final applications of the SSM, but it could be also useful for policy makers and regulators in order to achieve a more harmonized supervision that improves the credibility of the systems and promote financial stability.

     

Which projects are selected for an innovation subsidy? The Portuguese case

Portuguese Economic Journal - Several empirical studies have analyzed which firm characteristics influence government evaluators in the decision to select specific firms to participate in Research...     

Original Institutional Economics and Political Anthropology: Reflections on the Nature of Coercive Power and Vested Interests in the Works of Thorstein Veblen and Pierre Clastres

Our inquiry advances a comparison of the anthropological content of Thorstein Veblen’s evolutionary perspective with the foundations of the political anthropology drawn from selected works of Pierre Clastres. We seek to establish that what can be referred to as a clastrean reference can simultaneously offer new perspectives on institutionalism, while maintaining a radical and emancipatory understanding of Veblen’s writings. In this sense, we seek to reconsider and reevaluate the role of economic surplus drawn from Veblen’s anthropology, while also offering a general and critical perspective for understanding the emergence of coercive power within societies.     

An evolutionary approach to the delimitation of labour market areas: an empirical application for Chile

An evolutionary approach to the delimitation of labour market areas: an empirical application for Chile. Spatial Economic Analysis. Labour market areas (LMAs) are argued to represent a more appropriate policy framework than administrative units for the analysis of spatial labour market activity. This article develops LMAs for Chile by applying an evolutionary computation approach. This innovative approach defines LMAs through an optimization process by maximization of internal cohesion, subject to restrictions of minimum levels of self-containment and population. To evaluate the appropriateness of the LMAs, comparative analyses are performed between alternative delimitations based on different parameter configurations of the proposed method versus administrative boundaries and the most widely used method for official LMA delimitation, the travel-to-work areas method.     

Simulation-based pricing of convertible bonds

We propose and empirically investigate a pricing model for convertible bonds based on Monte Carlo simulation. The method uses parametric representations of the early exercise decisions and consists of two stages. Pricing convertible bonds with the proposed Monte Carlo approach allows us to better capture both the dynamics of the underlying state variables and the rich set of real-world convertible bond specifications. Furthermore, using the simulation model proposed, we present an empirical pricing study of the US market, using 32 convertible bonds and 69 months of daily market prices. Our results do not confirm the evidence of previous studies that market prices of convertible bonds are on average lower than prices generated by a theoretical model. Similarly, our study is not supportive of a strong positive relationship between moneyness and mean pricing error, as argued in the literature.