Part I Regional Studies -- Residential Real Estate in the Municipalities Located in the Naturally Valuable Areas in Poland -- Contemporary Trade Regionalism on the Example of Free Trade Area of the Asia-Pacific (FTAAP) -- Financial Vulnerability of NGOs in Southeast Anatolia and Mediterranean Regions -- Structural Changes on Polish Housing Market: Has the Market Returned to the Level Before the Crisis? -- Part II Macro Economics -- Effect of GDP, Energy Consumption, and Material Consumption on Waste Generation: The Case of EU-28 Countries -- A Comparative Global Overview for Flat-Plate Solar Collectors (FPSCS) in G-7 and G-20 Countries -- Cluster Analysis of Sustainable Development Goal Indicators in the European Union -- An Investigation of Turkey's Competitiveness on Different Products Groups in Automotive Sector via Revealed Comparative Advantage Index -- Intra-industry Trade Development and Adjustment Cost: Testing Smooth Adjustment Hypothesis for the Estonian Labor Market -- Underemployment Among Educated Poles -- Part III Investment and Risk Management -- A Factor Model for Country-Level Equity Returns -- Earnings Quality and Market Efficiency: Evidence from Romanian Capital Market -- Assessing the Risk Associated with Lease Certificates in the Turkish Capital Market -- A Tale of Two States: An Application of a Markov Switching Model to Anomaly Returns -- Influence of the Correlation Coefficient on the Risk of the Exchange Option -- Part IV Economics of Innovation Evaluation of Creative Industries' Economic Impact in the EU Countries -- Disruptive Innovation and Dynamic Capabilities Approach: Sensing, Seizing, and Transforming and Oscar Fernando Castellanos Dominguez -- Part V Law and Regulation -- Formation of Contracts via the Internet -- Restraint of Trade Clauses in Commercial Agency Contracts: A Comparative Perspective -- Equalization Demand of the Agent and Its Importance in Business Law -- Commercial Agency Contract and Comparison with Similar Contracts (Exclusive Distribution, Franchising, Brokerage, and Commission Contracts) -- Women as Perpetrators of Economic Offences in France -- Criteria for the Proper Management of Public Property and the Control of Public Procurement -- The Jurisdiction of the European Commission and National Competition Authorities in the Control of Legal and Economic -- Aspects of Concentration Between Undertakings -- Public Tender as a Form of Selection of the Electricity Supplier for the Residents of the Commune -- The Most Economically Advantageous Tender in the Public Procurement System in the European Union.