In this paper we derive the standard error of a price index when both prices and tastes or technology are treated as stochastic. Changing tastes or technology are a reason for the weights in the price index to be treated as stochastic, which can interact with the stochastic prices themselves. We...

The digital economy has created some new measurement challenges for macroeconomic statistics and may have exacerbated some older ones, raising some concerns about the scope and estimation of GDP. Against a backdrop of slowing rates of measured productivity growth, this has raised questions about...

In this paper we derive the standard error of a price index when both prices and tastes or technology are treated as stochastic. Changing tastes or technology are a reason for the weights in the price index to be treated as stochastic, which can interact with the stochastic prices themselves. We...