YEAR

2018

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Macroeconomics , Applied Research

Gold Price and Exchange Rates: A Panel Smooth Transition Regression Model for the G7 Countries

In this paper we investigate whether the price of gold is affected by internal and external macroeconomic performance, which is reflected in exchange rate movements

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Statistics , Data Analytics

A Folded Model for Compositional Data Analysis

A folded type model is developed for analyzing compositional data based that provides a new and flexible class of distributions for modeling data defined on the simplex sample space. Despite its rather seemingly complex structure, employment of the EM algorithm guarantees efficient parameter estimation.

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Statistics , Data Analytics

Discriminant Analysis with Spherical Data

Discriminant analysis for spherical data, or directional data in general, has not been extensively studied, and most papers focus on one distribution, the von Mises-Fisher. In this work, we study more distributions, escaping the rotational symmetry bound of the aforementioned distribution and also include a non parametric classier, the k-NN algorithm.

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Statistics , Theory

Modelling structural zeros in compositional data via a zero-censored multivariate normal model

We present a new model for analyzing compositional data with structural zeros. Inspired by \cite{butler2008} who suggested a model in the presence of zero values in the data we propose a model that treats the zero values in a different manner. Instead of projecting every zero value towards a vertex, we project them onto their corresponding edge and fit a zero-censored multivariate model.

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Industrial Organization , Theory

A Two-Period Unionized Mixed Oligopoly Model: Public-Private Wage Differentials and “Eurosclerosis” Reconsidered

In the present paper we develop a two-period unionized mixed duopoly model, furnished with second period- demand shocks, where decentralized firm-specific wage bargains are struck in each period before product market competition is in place.

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Labour Economics , Theory

Strategic Profit–Sharing in a Unionized Differentiated Goods Duopoly

We study firms’ incentives to offer profit-sharing schemes in a unionized differentiated goods duopoly in which firms bargain with a sector-wide union or firm-specific unions over the selected remuneration schemes.

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