IPA Observer 1 - 2013 Downloads Optimizing government services: A case for joint investment and trade promotion? IPA Observer no. 1, 2013 (UNCTAD/WEB/DIAE/PCB/2013/1) 13 Mar 2013 English Sign up for our Insights newsletter. Get trusted intelligence on global trade, the economy and development in your inbox. Subscribe RelatedTopicInvestmentProgramInvestment Promotion and FacilitationSeriesInvestment Promotion Agency Observer KeywordsInvestment promotion