Influence of Ecuadorian Homosexual Subculture in Consumption Culture: Study about Information Consumption on Twitter

Abstract

This qualitative research examines the Ecuadorian homosexual subculture and determines how gender, images, texts, and objects are referred to consumption culture. The netnography method was used to collect data from Twitter conversations. Categorization and classification of the conversations showed how the information was created, the purpose of the message, and the target audience. Results reveal common subjects in relation to news, human rights, and gender equality. Subjects were conceptualized based on the consumption of information in social, cultural, and political environments. It was concluded that images, texts, and objects included in the conversations provide significant information about the homosexual subculture consumption behavior.     

Switching generalized autoregressive score copula models with application to systemic risk

Recent financial disasters have emphasized the need to accurately predict extreme financial losses and their consequences for the institutions belonging to a given financial market. The ability of econometric models to predict extreme events strongly relies on their flexibility to account for the highly nonlinear and asymmetric dependence patterns observed in financial time series. In this paper, we develop a new class of flexible copula models where the dependence parameters evolve according to a Markov switching generalized autoregressive score (GAS) dynamics. Maximum likelihood estimation is performed using a two‐step procedure where the second step relies on the expectation–maximization algorithm. The proposed switching GAS copula models are then used to estimate the conditional value at risk and the conditional expected shortfall, measuring the impact on an institution of extreme events affecting another institution or the market. The empirical investigation, conducted on a panel of European regional portfolios, reveals that the proposed model is able to explain and predict the evolution of the systemic risk contributions over the period 1999–2015.     

Quality management and collective mind: investigating university R&D from a group focus

This article analyses how Quality Management (QM) practices moderate the relationship between collective mind (CM), and knowledge transfer (KT) and absorption in university research and development (R&D) groups. The data are taken from 257 R&D groups in different Spanish universities. The findings show that the relationship between CM and KT is significant when QM is included as a moderating variable because QM permits better communication and fosters stronger ties between group members. In the case of knowledge absorption (KA), however, QM does not have a significant effect. The final section presents the study's conclusions and implications. As no studies have tested these effects empirically, our conclusions are highly relevant for academics and researchers.     

Dynamic spatial autoregressive models with autoregressive and heteroskedastic disturbances

We propose a new class of models specifically tailored for spatiotemporal data analysis. To this end, we generalize the spatial autoregressive model with autoregressive and heteroskedastic disturbances, that is, SARAR(1, 1), by exploiting the recent advancements in score‐driven (SD) models typically used in time series econometrics. In particular, we allow for time‐varying spatial autoregressive coefficients as well as time‐varying regressor coefficients and cross‐sectional standard deviations. We report an extensive Monte Carlo simulation study in order to investigate the finite‐sample properties of the maximum likelihood estimator for the new class of models as well as its flexibility in explaining a misspecified dynamic spatial dependence process. The new proposed class of models is found to be economically preferred by rational investors through an application to portfolio optimization.     

Aplicación de bicorrelación cruzada al rendimiento diario del precio del café

This paper uses the cross bicorrelation methodology, which can capture nonlinear trascendence periods through window functions and third-order moments. It applies to the return of four sets of commodities of coffee traded on the New York market (Arabica Colombian, mild Arabica, Arabica Brazilian and Other Arabicas), during the 20/06/1997 - 27/10/2010 period. The results conclude that there is a cross bicorrelation among the four series, with Brazilian type coffee being the leader and a lower bicorrelation with other Arabicas. This complicates decisions for investors in such series.     

GROWTH AND INCOME POVERTY IN LATIN AMERICA AND THE CARIBBEAN: EVIDENCE FROM HOUSEHOLD SURVEYS

This paper provides evidence on growth and income poverty in Latin America and the Caribbean (LAC). Results are obtained by processing microdata from household surveys of 18 LAC countries covering the 1990s and early 2000s. Over this period the LAC economies experienced heterogeneous patterns of growth and poverty changes. Most countries in the region had a rather meager performance in terms of poverty reduction. Episodes of positive, significant and unambiguously pro-poor income growth have been rare in Latin America.     

The Politics of Self–Restraint: FDI Subsidies and Japanese Mercantilism

Home governments seek to enhance the international competitiveness of private enterprises not only through export credit, but also through preferential loans for foreign direct investment (FDI). Indeed, contrary to the common image of nation‐states resenting their loss of jurisdiction over the mobile transnational corporation, some governments have become active financiers of multinational investment to serve their industrial policy goals. The uneven use by industrialized states of preferential credit to further MNC expansion challenges the current characterization of home government policy as both homogenous and ineffective for the task of industrial promotion. The world's most active state in FDI finance, Japan, has enjoyed an inordinate degree of freedom to engage in subsidization of MNC investment since no international regime on FDI credit, similar to the OECD arrangement on government export finance, exists. Moreover, Japanese labor has not challenged the legitimacy of state FDI finance. In the absence of international or societal constraints on soft FDI credit, Japanese self‐restraint in FDI subsidization is better explained by the internal budgetary makeup of government financial institutions with a mandate to finance FDI. Treasury bureaucrats concerned with healthy public finances and politicians eager to reward core support groups, have repeatedly competed for control over the budgetary strings on soft FDI finance. This political contest is far from over. This paper, therefore, highlights the political agency behind rules of financial discipline that have so far inhibited Japanese rent‐seeking international economic behavior.     

Institutions for Financial Development: What are they and where do they come from?

Abstract.  Among the fundamental causes of long-run economic performance, differences in 'institutions' have received considerable attention in recent years. At the same time, a large body of theoretical and empirical work shows that financial development can have a big effect on economic performance. This raises the more fundamental question as to why some countries have developed financial markets while others do not. This paper reviews the theoretical and empirical research on this issue and shows that one of the channels whereby better institutions may have an effect on economic development is through the consolidation of larger and better financial markets. An issue that is left aside in this paper relates to what regulations and policies lead to better functioning capital markets. At some level, one can think of regulations and policies as particular types of institutions. Nonetheless, institutional problems are deeper causes leading to poor economic performance; bad policies might simply be part of the channels through which they influence performance. Thus, addressing the question of what determines the emergence of 'good' institutions – i.e. institutions that promote financial development – seems particularly important. Recent research providing some answers to this question is also reviewed.     

The economic production quantity (EPQ) with shortage derived algebraically

Previously, in several papers and textbooks, the classical economic order quantity (EOQ) and the economic production quantity (EPQ) formulas for the shortage case, have been derived using differential calculus and solving two simultaneous equations (derived from setting the two first partial derivatives to zero) with the need to prove optimality conditions with second-order derivatives. In a previous original piece of work, a new approach to find the EOQ with backlogging using some slight algebraic developments appeared. This paper extends the mentioned algebraic approach to the EPQ formula taking shortages into consideration within the case of only one backlog cost per unit and time unit. The final expressions provide the same formulas that are available in the classic textbooks on inventory theory.