58 International dimensions
its time- varying inuence. Measuring the global nancial cycle between
1990 and 2015, both directly via conventional centre- country variables such
as the VIX and indirectly (proxied by common dynamic factors extracted
from actual capital ows), Cerutti etal. (2019) nd that the global nancial
cycle rarely explains systematically more than a quarter of the variation in
“most types of capital ows, in most countries, for most of the time”. Ac-
cording to Amiti etal. (2019), who narrow the focus to cross- border bank-
ing ows for the period 2000–2017 for advanced and emerging economies,
these results could be explained by the fact that the global nancial cycle is
not necessarily persistent: the common factor wh ...