Financial markets

Glenn Hoggarth, Carsten Jung, Dennis Reinhardt, 07 July 2017

Partly as a result of the Global Crisis, assessments of capital inflows and their impact on market efficiency and technology transfer have begun to take into account their association with financial crises. This column argues that the riskiness of inflows depends on the type of lender and its currency denomination. It finds that equity flows are more stable than debt flows, non-banks more stable than banks, and local currency more stable than foreign. Macroprudential policies can support the stabilisation of inflows.

Michael D. Bauer, James Hamilton, 07 July 2017

Several recent empirical papers have challenged the ‘spanning hypothesis’, which holds that the level, slope, and curvature of bond yield curves are sufficient to forecast returns and estimate bond risk premia This column argues that these studies suffer from a previously unrecognised standard error bias. Controlling for this bias, false positives are found to be between six and twelve times more likely, suggesting that the evidence against the spanning hypothesis is substantially less convincing than would appear from the studies.

Ross Levine, Chen Lin, Zigan Wang, 26 June 2017

While the causes and consequences of mergers have received a lot of scholarly attention, geographic factors have thus far been neglected. Using US data, this column argues that greater geographic overlap of the subsidiaries and branches of two bank holding companies increases the likelihood of the two merging, and also boosts the cumulative abnormal returns of the acquirer, target, and merged companies. It also discusses how network overlap can affect synergies and value creation.

Neil Gandal, JT Hamrick, Tyler Moore, Tali Oberman, 22 June 2017

The cryptocurrency Bitcoin has attracted widespread interest, in large part due to wild swings in its valuation. This column considers an earlier rise in the Bitcoin price to investigate what is driving the currency’s price spikes. The 2013 rise was caused by fraudulent trades taking place at the largest Bitcoin currency exchange at the time. This finding has implications for policymakers as they weigh what, if anything, to do about regulating cryptocurrencies in light of the record high Bitcoin valuation that many fear is a bubble.

Myrvin L. Anthony, Narcissa Balta, Tom Best, Sanaa Nadeem, Eriko Togo, 06 June 2017

The case for state-contingent debt instruments, linking contractual debt to a pre-defined variable, has been theorised but not developed. This column gives a historical perspective of the issuance of these instruments to alleviate liquidity and/or solvency pressures on the sovereign in ‘normal times’ and during restructurings. It also discusses the valuable lessons that inflation-linked bonds provide for development of the state-contingent debt instrument market.

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