In this paper business cycles are considered as a multivariate phenomenon and not as a univariate one determined e.g. by the GNP. The subject is to look for the number of phases of a business cycle, which can be motivated by the number of clusters in a given dataset of macro-economic variables....

The COVID-19 (coronavirus disease) pandemic has had a significant impact on the healthcare delivery system worldwide. Many pre-pandemic norms, standards, and methods of providing medical services in most medical facilities had to be changed and re-evaluated. Many of them will likely stay changed...

This paper analyses the public procurement auctions for snow removal contracts to find out whether bid-rigging occurred. Due to the limited participation in the auction processes, detection of anticompetitive agreements was possible. The econometric analysis used in our study supported the...

The processing and transformation of natural resources into completed and semi-finished products is the primary function of industry in each nation's economy. There is no denying the significance of industry and sectoral classification of the economy, but the slow development and extension of...

In today's fast-paced business environment, leaders who fail to recognize and respond to the emotions of their employees can result in stagnation or a lack of growth in their organization. In light of this, the current study presents a method for identifying leadership styles based on the...

The hospitality industry has taken advantage of consumers' increasing concerns regarding environmental issues. Worldwide, green restaurants have increased their profitability by using environmental attributes as a competitive advantage. In Romania, restaurants could profit from this new trend....

Strategic Networks (SNs) have emerged as a prevalent organizational form that offers synergistic benefits to participating firms. Despite their potential, SNs often experience member firms' departure, raising concerns about their long-term viability. This study explores the factors that...

Building homogenous classes is one of the main goals in clustering. Homogeneity can be measured by the intra-class variance (Bock, 1998). Especially in erosion projects but in other applications as well the separation between the built classes is as important as the homogeneity of the classes....

When analyzing business cycle data, one observes that the relevant predictor variables are often highly correlated. This paper presents a method to obtain measures of importance for the classification of data in which such multicollinearity is present. In systems with highly correlated variables...