This report examines a portfolio optimization methodology based on the investment allocation approach adopted by the Government Pension Investment Fund (GPIF). Employing quadratic programming, we derive optimal investment allocations for Japan, developed countries (excluding Japan), and emerging...

Context: The performance of integrated care systems lacks evidence, partly due to the difficulty in conducting robust studies. This generates uncertainty among both providers and decision-makers. However, an evaluation tool has been developed under the auspices of the European Commission. It is...

This study investigates how post-purchase service experiences affect customer satisfaction, and how customer satisfaction affects customer retention among online shoppers in Binh Duong province of Vietnam. Using surveys from 273 participants and Partial Least Squares Structural Equation Modeling...

This study investigates how the income redistribution policy affects economic growth, employment, income distribution, income inequality, and asset inequality in the context of "secular stagnation." The income redistribution policy is defined as one that imposes capital taxation on capitalists...

Der Artikel untersucht im Rahmen der bedarfswirtschaftlichen Betriebswirtschaftslehre (öffentliche Unternehmen, Genossenschaften, Stiftungsunternehmen) inwieweit Eigenkapitalzinsen bei der Berechnung der Selbstkostenpreise zu berücksichtigen sind und welche Rolle dabei die Idee der...

This paper examines whether conspicuous destruction—typically observed in small groups or individuals—can emerge as a behavioral pattern in large, democratic societies. Using Germany’s energy transition as a case study, it explores how politically legitimized decisions lead to the...

This study evaluates the reaction of stock prices to monetary policy in Japan during the 1980s. We employ Bayesian estimation of the dynamic stochastic general equilibrium model, revealing the presence of the wealth channel from increased stock prices in Japan. We argue that the Bank of Japan...

This study examines the optimization of farm-gate prices in Côte d'Ivoire, particularly in strategic agricultural sectors such as cocoa and coffee. The research adopts a multidimensional approach, incorporating general equilibrium theories, econometric models, and stochastic methods. We analyze...

This paper presents an analytical model that investigates the dynamics of rent-seeking, innovation, and entry policies in a two-sector economy characterized by skilled and unskilled labor. The model explores how incumbent firms in an intermediate goods sector react to the threat of new entrants...

- My research examines how states can exercise power through oil. What kind of balancing strategies they use to maintain or improve their power. I use quantitative data and the case studies of USA, Japan and USSR/Russia to research the question. - The novelty of my research is enhanced by the...