01
Official data
Series come from Bangladesh Bank, the Bangladesh Bureau of Statistics, the IMF and the World Bank. The source, address and retrieval date of each series are recorded in the Data hub.
02
Validation
Each figure is checked against its original release before it is used.
03
Estimation
Models run in Open Econometric Systems (OES), an open-source engine. The specification, sample and settings are published with the brief.
04
Limits and corrections
Each brief states its data limits and what its results cannot show. If a figure is found not to match its official source, it is corrected and the correction is noted on the page with its date.
What every brief states
- the data used, with source and retrieval date;
- the sample period and any break in the series, such as the 2023 change of CPI base;
- the model, the identifying assumptions and the main robustness checks;
- what the results cannot show, including causal claims the design does not support.