Magud, Nicolas E.; Reinhart, Carmen; Rogoff, Kenneth - Federal Reserve Bank of San Francisco - 2007
throughout that r⁄ > r.
Ft = St +Lt (1)
Short term ows represent a share x of total capital ows, such that
St = xFt (2)
where x … return on capital ows, w, is given by
w = (1+r)Ft +(r⁄ ¡r)xFt (4)
and the variance by
2w = F2t £(1¡x)2 2r +x2 2r⁄ +2x(1¡x …’s, we obtain
x = (r
⁄ ¡r)+'( 2r ¡ rr⁄)
' (6)
where = ( 2r + 2r⁄ ¡2 rr⁄), and ' represents the coe–cient of risk aversion …