Front of the envelope
Estimating the impact of shifts in postal chargesCompetition in the delivery of letters may put pressure on incumbents to cut charges to businesses - the most profitable segment of the market - and raise charges to households. What effect does such "rebalancing" have on low-income groups? Frontier has constructed a model that makes it possible to analyse the combined effects of rebalancing on the budgets of different groups of households in the UK.

