And so to some, there are other factors at work in addition to police strategies, the economy and patterns of drug use, such as the involvement of communities with the police, and demographic and social forces.
Check out the political stability of a country, the economy, weather patterns, tourist destinations and tourist numbers, general costs for eating out, travel routes (is it on a budget airline route for example) and so on.
That would continue the economy's pattern of growth since the Great Recession officially ended in June 2009.
For more than two years now, the Democrats seeking the presidency have planned on running a 2004 campaign built around the weak economy and patterned after Bill Clinton's 1992 defeat of President Bush's father.
These make up much of the building's supporting structure, and they do it with impressive economy: the pattern uses twenty per cent less steel than a conventional skyscraper frame would require.
But some economists question whether Brazil should rely on consumption to revive the economy, a pattern fueled by a surge in credit from government banks, at a time when household debt levels have already hit a record high.
Using everything from census and employment data to crime statistics, newspaper articles and hundreds of previously published academic papers and books, they have compared and contrasted Los Angeles and New York -- their populations, politics, economies, residential patterns, immigrants, school systems, art worlds, images, riots, police.
And shifts in the global economy changed consumption patterns.
Several of the civic groups monitoring the process had also objected that the brief time in which the plans were produced did not allow consideration of their affect on the area's economy and traffic patterns, among other factors.
For all the concerns and bravado, air travel through the day was measurably lighter than usual, a circumstance not just influenced by events of a year ago but also by a sluggish economy and travel patterns that show Wednesdays are some of the least traveled days of the week.
