Small countries "landlords"

include more than a dozen countries located on the islands and in coastal areas at the crossroads of the most important transport routes. This subgroup also includes colonies, for example: Bermuda, the Cayman Islands, the Virgin Islands, Martinique, Guadeloupe, New Caledonia, etc. This subgroup includes the countries  of the “tax haven”, they are also called […]

Balance method in planning

The traditional and most common planning method in economics is the balance method, implemented through a system of balance sheets. A balance sheet is a table that compares the availability of resources and their sources with the directions and volumes of use. Balance sheets in the economy perform various functions, are developed for various purposes […]

Time series forecasting

A time series is a time-ordered value of a predicted quantity. In practice, time series forecasting is most often used because of the availability of the initial data and the obviousness of the way to obtain a solution. To predict using regression or other models, it is necessary first, on the basis of theoretical ideas, […]

Checking the significance of the regression equation

After the regression equation is constructed and its accuracy is estimated using the coefficient of determination, the question remains how this accuracy is achieved and, accordingly, whether this equation can be trusted. The fact is that the regression equation was built not on the general population, which is unknown, but on a sample from it. […]