Economic forecasting is the process of making predictions about the economy. Forecasts can be carried out at a high level of aggregation for example for GDP inflation unemployment or the fiscal deficit or at a more disaggregated level for specific sectors of the economy or even specific firms. The author has compiled summary of global economic outlook in 2013 from well-known international organizations World Bank the IMF ESCAP and the OECD together with Thailand macroeconomic assessments from NESDB BOT and MOF for executives top to middle management of private sector entities and entrepreneurs to understand and predict each local environment in which they are doing business accurately.