His fictitious portfolio did not just comprise over-the-counter transactions with big Banks, where agreed credit limits meant he could avoid margin calls.

他虚构的组合不止包括与大银行的场外交易——认可的信用额度从而使他能够避免追加保证金的通知。

youdao

Senegal has now been added to that programme and the company said it represented "a highly attractive addition to our existing Atlantic Margin portfolio".

BBC: Cairn Energy moves into Senegal

This suggests that the right role for government is not to shower money on a handful of putative winners but to take a portfolio approach: finding companies on the margin of exporting and helping as many as possible overcome the fixed costs of entry.

ECONOMIST: How the government can help things along

The second choice does have downside risks, but if you hold a diversified portfolio, you will at least narrow your margin for error.

FORBES: Are Stocks Cheap Or Expensive?