| ADR | Alternative dispute resolution |
| AIDA | Albanian Investment Development Agency |
| ALB | Albania |
| ALMP | Active labour market programme |
| BCP | Border crossing point |
| BEEPS | Business Environment and Enterprise Performance Survey |
| BEPS | Base erosion and profit shifting |
| BIH | Bosnia and Herzegovina |
| BIT | Bilateral investment treaty |
| CAP | Common Agricultural Policy |
| CBA | Cost-benefit analysis |
| CEEC | Central and Eastern European countries |
| CERT | Computer emergency response team |
| CEFTA | Central European Free Trade Agreement |
| CIT | Corporate income tax |
| CO | Competitiveness Outlook |
| CO2 | Carbon dioxide |
| CRM | Common Regional Market |
| CSO | Civil society organisation |
| DHLGCI | DHL Global Connectedness Index |
| DSO | Distribution system operator |
| DTIDZ | Directorate for Technological Industrial Development Zones |
| EBRD | European Bank for Reconstruction and Development |
| ECE | Early childhood education |
| EEA | European Economic Area |
| EFTA | European Free Trade Association |
| EIB | European Investment Bank |
| EMIS | Education management information system |
| ERP | Economic Reform Programme |
| ETF | European Training Foundation |
| EU | European Union |
| EUR | Euro |
| FAO | Food and Agriculture Organization |
| FBiH | Federation of Bosnia and Herzegovina |
| FDI | Foreign direct investment |
| FIP | Feed-in premium |
| FIT | Feed-in tariff |
| GCI | Global Competitiveness Index |
| GDP | Gross domestic product |
| GDPR | EU General Data Protection Regulation |
| GERD | Gross expenditure on research and development |
| GHG | Greenhouse gas |
| GST | Goods and services tax |
| GVC | Global value chain |
| HEI | Higher education institution |
| HR | Human resources |
| ICT | Information and communication technology |
| IFI | International financial institution |
| ILO | International Labour Organization |
| IMF | International Monetary Fund |
| IP | Intellectual property |
| IPA | Instrument for Pre-Accession Assistance |
| IPA | Investment promotion agency |
| IPARD | Instrument for Pre-Accession Assistance for Rural Development |
| IPP | Intellectual property protection |
| ISIC | International Standard Industrial Classification |
| ITE | Initial teacher education |
| IWW | Inland waterways |
| KIESA | Kosovo Investment and Enterprise Support Agency |
| KOS | Kosovo |
| LFS | Labour Force Survey |
| LPI | Logistics Performance Index |
| LPIS | Land parcel identification systems |
| MKD | North Macedonia |
| MIA | Montenegro Investment Agency |
| MNE | Montenegro |
| MNE | Multinational enterprise |
| MSME | Micro, small and medium-sized enterprise |
| NEET | Not in education, employment or training |
| NGO | Non-government organisation |
| NO2 | Nitrogen dioxide |
| NPL | Non-performing loans |
| OECD | Organisation for Economic Co-operation and Development |
| OHS | Occupational health and safety |
| OSS | One-stop shop |
| PARS | Public Administration Reform Strategies |
| PDP | Personal data protection |
| PES | Public employment services |
| PISA | Programme for International Student Assessment |
| PIT | Personal income tax |
| PM | Particulate matter |
| PPI | Private participation in infrastructure |
| PPP | Public-private partnership |
| PPP | Purchasing power parity |
| Q | Quarter |
| R&D | Research and development |
| RAS | Development Agency of Serbia |
| RCC | Regional Cooperation Council |
| RDI | Research and development institutes |
| RIA | Regulatory impact assessment |
| RS | Republika Srpska |
| SDG | Sustainable Development Goal |
| SME | Small and medium-sized enterprise |
| SOE | State-owned enterprise |
| SPP | Single project pipeline |
| SPS | Sanitary and phytosanitary measures |
| SSC | Social security contribution |
| SRB | Serbia |
| STI | Science, technology and innovation |
| STP | Science and technology parks |
| STRI | OECD Services Trade Restrictiveness Index |
| TCPS | Transport Community Permanent Secretariat |
| TCT | Transport Community Treaty |
| TEN-T | Trans-European Transport Network |
| TFI | OECD Trade Facilitation Indicators |
| TSA | Tourism Satellite Account |
| TSO | Transmission system operator |
| UNDP | United Nations Development Programme |
| UNFCCC | United Nations Framework Convention on Climate Change |
| USD | United States dollar |
| VAT | Value-added tax |
| VET | Vocational education and training |
| WB6 | Six Western Balkan economies |
| WBIF | Western Balkan Investment Framework |
| WB EDIF | Western Balkans Enterprise Development and Innovation Facility |
| WBL | Work-based learning |
| WHO | World Health Organization |
| WIPO | World Intellectual Property Organization |
| WTO | World Trade Organization |
| WWTP | Wastewater treatment plants |
| y-o-y | Year on year |
Competitiveness in South East Europe 2021
A Policy Outlook
