The emotional pangs stroke inwardly.

關於 risks 的一對一的交易，通常是零和遊戲。例如 期貨 (futures) 市場。

關於 risks 的 n 對 n 的交易，其實也是零和遊戲。例如 保險 (insurance)。

In those cases, which party is the consumer, and which one is the seller? And how to calculate the consumer surplus and the like?

任何一個新加入者能否不受限制地參與自由競爭，是一個體制好不好的重要標誌之一。

It's been said that in Silicon Valley, some promising start-ups are siphoning off talents from the big companies.

It grieved me to live my life the way that that university required. I had my own way and plans. Life is short, and time was limited.

Does a company always really have to worry about a miserly growth rate in sales?

There IS a business cost of crime, terrorism (either by the domestic government or the outside forces), and corruption!

And in addition, think about the Western companies having entered the Chinese market.

Option one: "Well, we're busier than she is," J said.

Option two: "Well, we're busier than her," J said.

Both must be correct. But the option one looks more natural to me.