El grado de concentración los mercados se ve reflejado en el número organizaciones que participan la producción y comercialización un bien dentro sector industrial ventaja comparativa revelada (VCR) permite conocer especialización exportadora país. La investigación tuvo como objetivo determinar tipo estructura mercado donde desarrolla pesquero su revelada. Los resultados obtenidos para fueron: ...

The article is a continuation of research published by the author elsewhere (Śleszyński, 2020). elaboration presents regularity spatial distribution infections during first six months after detection SARS-CoV-2 coronovirus in Poland under strong lockdown conditions. main aim to try determine basic temporal-spatial patterns and answer questions: what extent phenomenon was ordered it chaotic, whe...

This paper empirically examines the effect of market competition – measured either by the Herfindahl Index or the Lerner Index – on productivity growth and R&D intensity using micro data for Japan’s manufacturing sector. We found evidence of an inverted U-shaped relationship between competition and innovation when we use the Herfindahl Index as a measure of competition in the market. In additio...

This article utilizes social network analysis in addition to a measure of genre diversity quantify the quality and capacity actors Malay language film industry. We built dataset by collecting data from various websites pertaining films. The consists 180 films released 2015 until 2020. actor is then connecting co-starring movie together compared small world networks. quantified using five measur...

Crop diversification finds an important place in the strategy of dealing with risk and uncertainty related to climate change. It helps increase resilience farmers, significantly improving their income stability, but at same time, it can lower economic efficiency small farms. The aim article is identify determinants crop impact on farms Poland. This first provides a critical review literature di...

Purpose: The aim of this article is to explain the differences between educational expenses municipalities and cities in Poland subvention received by them from state budget, particular scale violation actual their original structure as a result aggregated decisions local authorities. Design/Methodology/Approach: concentration degree expenditure streams using Herfindahl-Hirschman Index (HHI), f...

Abstract Fishermen make repeated choices with respect to when, where, and how catch their target species. While these targeting tactics—and the factors shaping them—are known fishers some experts, knowledge about them is largely informal not well utilized for management purposes. To formalize information on tactics, we propose a set of methods combining model-based classification species genera...

Abstract Increasing demand for nonfuel mineral commodities has increased concerns regarding the reliability of their supplies. “Criticality” assessments over past decade have attempted to capture this concern through a set indicators, most common which quantifies risk associated with market concentration by applying Herfindahl–Hirschman Index (HHI) world production given commodity country in ye...

The growing interest in a healthy lifestyle among Russian consumers leads to an increase demand for food products and beverages, which is reflected the rather high growth rates of this market its increased attractiveness manufacturing companies. In article, purpose study assess dynamics level competition segments drinks (“Better You”, “Fortified/Functional”, “Naturally healthy” “Organic”) throu...