Policy and Planning Agricultural Economics 47 Agricultural policy 34 Natural Resource Economics, (New March 2000) 30 Sustainability 23 Leisure, Recreation and Tourism Economics, (New March 2000) 22 Tourism and Travel 22 more ... Economic aspects 20 Social Psychology and Social Anthropology, (New March 2000) 19 Case studies 18 Agriculture 17 Rural development 16 Government policy 15 Marketing and Distribution 15 Food Economics, (New March 2000) 14 Rural Development, (New March 2000) 14 Economic impact 13 Forest policy 13 Forests 13 Laws and Regulations 13 Planning 13 Tourism 13 Agricultural sector 12 Environmental impact 12 Forestry Economics, (New March 2000) 12 International Trade 12 International trade 12 Silviculture and Forest Management 12 Agriculture and state 11 Forests and Forest Trees (Biology and Ecology) 11 less ...