The Philippine Statistics Authority Data Archive (PSADA) has microdata catalogs for statistics about the Philippines and its local government units and regions. The PSADA has datasets suitable for cross-sectional and time-series studies. 

Open Data Philippines is an online repository of open data from different government agencies. This site also contains links to other government data portals. 

The World Bank is a reputable source for development indicators such as poverty, health, education, environment, governance, and economic performance. The World Bank Data Portal is a good source of development data rather than strictly macroeconomic or financial metrics.

The IMF Data Portal emphasizes macroeconomic and financial data on countries worldwide. The datasets are suitable for time-series econometric modeling and policy analysis. 

ACLED stands for the Armed Conflict Location and Event Data, which collects, analyzes, and maps data on armed conflict, political unrest, conflicts and crises around the world. 

The WVS is a global research project that analyzes and collates information monitoring changes in social, cultural, and political values values across 100 countries. Cross-Sectional and Time-Series data are available.

SEADELT.net is a digital repository for historical statistical data within Southeast Asian Countries. Time-Series and Cross-Sectional Data are available. 

The National Oceanic and Atmospheric Administration data portal is an American repository of free public access environmental, weather, climate, and oceanographic data. May be useful for Environmental Economics. 

The National Centers for Environmental Information data portal is contains time-series and mapping data pertaining to environmental indicators worldwide and natiowide.

The EM-DAT Disaster Database of the Center for Research on the Epidemiology of Disasters (CRED) is a reputable source for data on international disasters. It contains data on disaster events and variables such as deaths, affected populations, economic losses, and hazard types. It is suitable for quantitative analyses and trend studies.