By Kevin Allison
The author is a Reuters Breakingviews columnist. The opinions expressed are his own.
Investors in emerging markets are facing a tough choice. Should one buy cheap shares in the hope that poor corporate governance and profitability will improve some day? Or is it better to close one's eyes and buy into expensively valued companies that sell mobile telephones, holidays and handbags -- all the things high-spending emerging market consumers hanker after?