Alley may be paved, or unpaved, and a blind alley is a cul-de-sac. Modern urban developments may also provide a service road to allow for waste collection, or rear access for fire engines and parking. Because of geography, steps (stairs) are the predominant form of alley in hilly cities and towns. This includes Quebec City in Canada and in the United States Pittsburgh (see Steps of Pittsburgh), Cincinnati (see Steps of Cincinnati), Minneapolis, Seattle, and San Francisco as well as Hong Kong, Genoa and Rome. Some alleys are roofed because they are within buildings, such as the traboules of Lyon, or
Skin in the game (phrase) address the issue of front running and commingled funds (MF Global). Investment structures such as hedge funds, private equity, Trusts and mutual funds are legally limited to a minority investment positions or are done to create a tax efficient structure. Typically equity inputs by these fiduciaries are around 0.5–2%. Nassim Nicholas Taleb and Constantine Sandis have argued for skin in the game as a rational and ethical heuristic for all risk-taking. People also use the phrase "I don't have a dog in the fight". While obsolete and considered crude, since it references illegal dog fighting, the phrase can still be