Abstract: In recent years, several indoor positioning systems have been extensively studied for environments where a satellite signal is typically degraded and interrupted. Among them, visible light ...

Abstract: Semiconductor technology constantly advances, enabling integrated circuits (ICs) with increasingly numerous, faster, and smaller transistors. While this progress offers many benefits, it ...

The government budget constraint ties the market value of government debt to the expected risk-adjusted present discounted value of fiscal surpluses. We find evidence that U.S. Treasury investors fail ...