Category Archive: Working papers

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Publication of Working paper No. 21: Developments in devolved income tax

In this paper, we take a comprehensive look at the evolution of the significant and widening gap in the amount of income tax paid per person in Scotland and Wales relative to the UK as a whole, exploring the drivers behind the changes in order to identify trends that should be factored into our devolved…

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Publication of Working paper No.20: A review of welfare policy costings

Since its creation, the OBR has scrutinised over 250 policy costings relating to changes in the benefits and tax credits systems. This paper looks back at how our scrutiny of those policy costings has evolved by reviewing ten case studies of major welfare policy changes taken from the 41 welfare policy announcements made by the…

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Working paper 19: The OBR’s forecast performance

Our latest working paper, The OBR’s forecast performance, provides a comprehensive evaluation of the OBR’s economic and fiscal forecasting record since we were established in 2010. We assess how our 27 forecasts have performed against outturn over the past 13 years and look at how our forecasting record compares to other UK and international forecasters….

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Publication of Working paper No.18: Emissions and our tax forecasts

Several of the UK’s tax bases are directly linked to activities that generate greenhouse gas emissions, with others indirectly linked. So as emissions fall as the UK transitions to net zero, receipts generated from these emissions-linked taxes will be affected. In this working paper, we conduct an initial, high-level analysis to explore the proportion of…

Stacked bar chart showing tax-to-GDP ratio rose fractionally between 2007-08 and 2018-19 but the compositional changes were much greater

Evolution of receipts over the past decade

We have published a new paper studying the evolution of tax revenues and other sources of government income between 2007-08 and 2018-19 – respectively the last full year before the financial crisis and the last full year before the coronavirus crisis.

OBR Working Paper series

The latest in our series of Working Papers were published on 28 September 2018. Working paper No.13: In-year fiscal forecasting and monitoring presents our approach to in-year forecasting and monitoring of the public finances, and discusses how we assess our forecasts against the published data.   Working paper No.14: Devolved income tax: forecasting by tax bands sets…