Space in economics Economic development 2 Regional economics 2 Diffusion of innovations 1 Economic aspects 1 Economic geography 1 Economic history 1 Economics 1 Environmental aspects 1 Europe 1 Geography 1 Macroeconomics 1 Marginality, Social 1 Mathematical models 1 Mathematical optimization 1 Natural resources 1 Neighbourhood 1 Poverty 1 Regional planning 1 Technological innovations 1 Transportation 1 Transportation and state 1 Urban geography 1 Urban poor 1