Energy

Julio Escolano, Laura Jaramillo, Carlos Mulas-Granados, Gilbert Terrier, 27 February 2015

Fiscal consolidation is back at the top of the policy agenda. This column provides historical context by examining 91 episodes of fiscal consolidation in advanced and developing economies between 1945 and 2012. By focusing on cases in which the adjustment was necessary and desired in order to stabilise the debt-to-GDP ratio, the authors find larger average fiscal adjustments than previous studies. Most consolidation episodes resulted in stabilisation of the debt-to-GDP ratio, but at a new, higher level.

Jan van Ours, 27 February 2015

The Great Recession has been characterised by an unprecedented decline in GDP, and unemployment rates remain above pre-Great Recession levels in many countries. This column argues that economic growth is a ‘one size fits all’ solution for the problem of unemployment, because the unemployment rates of different kinds of workers are strongly correlated within countries. That said, economic growth affects above all the position of young workers, and so benefits mostly those who need it the most.

Alejandro Justiniano, Giorgio Primiceri, Andrea Tambalotti, 27 February 2015

There is no consensus among economists on the forces that drove the historical rise of US house prices and household debt that preceded the Global Crisis. In this column, the authors argue that the fundamental factor behind that boom was an increase in the supply of mortgage credit. This rise was brought about by the diffusion of securitisation and shadow banking, and by a surge in foreign capital inflows. The finding is based on a straightforward interpretation of four key macroeconomic developments between 2000 and 2006, provided by a simple general equilibrium model of housing and credit. 

Jean-Noël Barrot, Julien Sauvagnat, 26 February 2015

Little is known about how adverse shocks spread through production networks. This column presents quantitative evidence on inter-firm contagion using natural disasters as exogenous instruments. Adverse shocks to upstream suppliers lower sales growth and valuation of a downstream firm.

Daniel C Hardy, Philip Hochreiter, 26 February 2015

A minor adverse shock to financial markets can be propagated by liquidity strains, leading to a major crisis. This column suggests a novel measure to address systemic liquidity risk – a Macroprudential Liquidity Buffer, which would require financial institutions to hold systemically liquid assets in proportion to their liabilities less regulatory capital. This proportion varies positively with growth in system-wide funding needs, so the liquidity buffer increases when non-equity funding is growing.

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