Statistika: Statistics and Economy Journal - No. 2/2020

Productivity growth, KLEMS methodology, growth accounting, tangible capital,
intangible capital, national accounts

The paper explains why the Slovak retail gasoline and diesel prices rise more rapidly when the price of crude oil increases and fall slowly when the price of crude oil decreases. The weekly data of Slovak retail gasoline and diesel prices and European Brent oil prices since the first week of 2009 till the second week of 2019 are used. The error correction model with irreversible behaviour of explanatory variables is specified to test asymmetric response of retail gasoline and diesel prices on changes in crude oil prices. By our assumption of linked gasoline and diesel markets, we also adopt a common co-integration relationship. Consequently, the vector error correction model is included in the analysis. An expected asymmetry in the retail fuel price reactions on crude oil changes is rejected. Our results may be informative for the future research in Slovak business cycles and in market structure of retail gasoline and diesel sellers.

Gasoline and diesel retail prices, crude oil prices, irreversible model, co-integration, asymmetries between the price of crude oil and the retail fuel

Consumer patriotism, consumer ethnocentrism, domestic consumption, mediation test

This article aims to exhibit and study the impacts that changing characteristics of a fixed exchange rate regime has on conditional volatility. To do so, using the U.S. dollar dirham (USDMAD) daily closing rates over 23 years, we compare the GARCH model results of four segmented sub-periods to each other and then to the global period of the study to detect disparities. The main result is that changes in exchange rate regime characteristics do impact the conditional volatility. Therefore, we recommend that the study of conditional volatility should use periods with no changes in the characteristics of the exchange rate regime to avoid bias. Otherwise, the use of segmented sub-periods should be adopted to take account of these changes. Finally, we present some key results about the impacts of these changes in Morocco’s exchange rate regime on the conditional volatility.

Keywords
Exchange rate, conditional volatility, fluctuation bands

The Italian National Statistical Institute (ISTAT) carries out the survey on the maritime transport of goods and passengers, as required by the Regulation (EU) No. 1090/2010 of the European Parliament and of the Council. The survey is a census as it refers to the final overall amount of the arrivals and departures recorded in Italian ports.
In order to improve the quality of data collection, within the new ISTAT organizational structure, introduced during 2016, the Central Directorate for data collection was created, specifically dedicated to the design, organization, implementation and integration of the data collection activities.
Then a specific project assigned to a selected number of ISTAT territorial offices the new role of conducting data collection activities on the territory.
The analysis is aimed at presenting the improvements both in terms of process efficiency and quality of the results expected from the new data collection approach.

Keywords
Data collection, maritime transport, process efficiency