One of the basic macroeconomic assumptions that is still experiencing difficulties developing an accurate economic model is the 3-month Treasury bill (Surat Perbendaharaan Negara/SPN). This is mainly caused by its irregular data period, based on the average yield won in an auction held at a...

The paper discusses the utilization of social complexity studies to enhance our understanding on many social phenomena. The discussions brings the concept of uncertainty in almost everything of social realms and makes some points related to the empirical findings of the power-law distributions...

The paper elaborates some analytical opportunities for econophysics in the implementation of Basel II documents for banking. We see this chances by reviewing some methodologies proposed by the econophysicists in the three important aspects of risk management: the market risk, credit risk, and...

This study aims to estimate the size of underground economy activities in Indonesia. Based on the results of these estimates, further calculated the potential tax loss due to the existence of underground economy activities. This study was conducted using quantitative approaches, namely currency...