In Barnet, there will now be renewed optimism for the future with the hope that parking policy can be changed.

BBC: How the meter ran out for Brian Coleman

And, rather like the FLS, it would be policy forged in the crucible of hunch and optimism, rather than scientific certainty.

BBC: Can banks be forced to lend more?

When trying to divine future employment in the small-business sector from surveys of business owners, policy makers and economic analysts need to take entrepreneurial optimism into account or their predictions will be off the mark.

FORBES: Can Small-Business Owners Predict Their Own Layoffs?

Ben Bernanke's optimism on 60 Minutes is justified given the fact that velocity is stabilizing and monetary policy has been so easy.

FORBES: A Good Week For U.S. Markets

Amid the optimism partly generated by Mr. Lemann's deals, the Brazilian government adopted a policy of helping finance overseas acquisitions.

WSJ: First Bud, Now Heinz, Brazilian Deal Maker Lemann Grabs Brands