Archivio per 18 novembre 2014

18
Nov
14

U.S. Economy: The Disconnect between Reality and Perception

American sentiment remains weak despite encouraging improvement in economic fundamentals. We think sluggish growth in wages plays a major part in keeping optimism at bay. 

By most measures, the U.S. economy is improving. Recent economic reports revealed two encouraging facts: The United States just experienced the best back-to-back quarters of growth since 2003 and fewer Americans are filing for unemployment benefits than at any time in the past 14 years.

Unfortunately, most Americans don’t seem to put much faith in the numbers, or as Gustave Flaubert famously remarked, “There is no truth. There is only perception.” Today, the perception of most Americans is very different than the optimistic view reflected in government statistics. According to the results of theBlackRock Global Investor Pulse Survey, only about one in four Americans believe that the U.S. economy and job market are getting better. Worse still, a full 75% of Americans believe that it is hard to keep up with bills and save for retirement. So, how do you explain the disconnect between an economy that appears to be shaking off its lethargy and the perception that the United States never fully recovered from the financial crisis?

Source: www.blackrockblog.com

See on Scoop.itBounded Rationality and Beyond

18
Nov
14

U.S. Economy: The Disconnect between Reality and Perception

See on Scoop.itBounded Rationality and Beyond

American sentiment remains weak despite encouraging improvement in economic fundamentals. We think sluggish growth in wages plays a major part in keeping optimism at bay. 

By most measures, the U.S. economy is improving. Recent economic reports revealed two encouraging facts: The United States just experienced the best back-to-back quarters of growth since 2003 and fewer Americans are filing for unemployment benefits than at any time in the past 14 years.

Unfortunately, most Americans don’t seem to put much faith in the numbers, or as Gustave Flaubert famously remarked, “There is no truth. There is only perception.” Today, the perception of most Americans is very different than the optimistic view reflected in government statistics. According to the results of theBlackRock Global Investor Pulse Survey, only about one in four Americans believe that the U.S. economy and job market are getting better. Worse still, a full 75% of Americans believe that it is hard to keep up with bills and save for retirement. So, how do you explain the disconnect between an economy that appears to be shaking off its lethargy and the perception that the United States never fully recovered from the financial crisis?

See on blackrockblog.com

18
Nov
14

Quantum Chaos and Quantum Computing Structures

See on Scoop.itBounded Rationality and Beyond

A system of quantum computing structures is introduced and proven capable of making emerge, on average, the orbits of classical bounded nonlinear maps on mathbb{C} through the iterative action of path-dependent quantum gates. The effects of emerging nonlinear dynamics and chaos upon the quantum averages of relevant observables and quantum probabilities are exemplified for a version of Chirikov’s standard map on mathbb{C} . Both the individual orbits and ensemble properties are addressed so that the Poincar’e map for Chirikov’s standard map, in the current quantum setting, is reinterpreted in terms of a quantum ensemble which is then formally introduced within the formalized system of quantum computing structures, in terms of quantum register machines, revealing three phases of quantum ensemble dynamics: the regular, the chaotic and an intermediate phase called complex quantum stochastic phase which shares similarities to the edge of chaos notion from classical cellular automata and classical random boolean networks’ evolutionary computation.

See on arxiv.org

18
Nov
14

Quantum Chaos and Quantum Computing Structures

http://docs.google.com/viewer?url=http%3A%2F%2Farxiv.org%2Fpdf%2F1208.2610v1&embedded=true

A system of quantum computing structures is introduced and proven capable of making emerge, on average, the orbits of classical bounded nonlinear maps on \mathbb{C} through the iterative action of path-dependent quantum gates. The effects of emerging nonlinear dynamics and chaos upon the quantum averages of relevant observables and quantum probabilities are exemplified for a version of Chirikov’s standard map on \mathbb{C} . Both the individual orbits and ensemble properties are addressed so that the Poincar\’e map for Chirikov’s standard map, in the current quantum setting, is reinterpreted in terms of a quantum ensemble which is then formally introduced within the formalized system of quantum computing structures, in terms of quantum register machines, revealing three phases of quantum ensemble dynamics: the regular, the chaotic and an intermediate phase called complex quantum stochastic phase which shares similarities to the edge of chaos notion from classical cellular automata and classical random boolean networks’ evolutionary computation.

Source: arxiv.org

See on Scoop.itBounded Rationality and Beyond

18
Nov
14

Social media can improve, muddy election campaigns

As the candidates for Pennsylvania governor debated for the final time last week in a television studio near Pittsburgh, their Twitter handles waged war online.

Neither Republican Gov. Tom Corbett nor Democratic challenger Tom Wolf send out their own tweets, relying instead on assistants to craft the messages. And that can make their social media accounts seem robotic at times, according to a computer application designed to unmask machines that pose as humans online.

“For a campaign, (they) have a staff of people; they use software; they try to release things at regular time intervals,” said Filippo Menczer, a computer science professor at Indiana University, Bloomington, who developed the “BotOrNot” app.

“They may be legitimate,” Menczer said, “but they still have some of these patterns that, according to our algorithm, are bot-like.”

Social media robots, or “socialbots,” have been programmed to block Twitter conversations, build consensus for otherwise unpopular opinions and attempt to alter human behavior.

 

Source: triblive.com

See on Scoop.itBounded Rationality and Beyond

18
Nov
14

Social media can improve, muddy election campaigns

See on Scoop.itBounded Rationality and Beyond

As the candidates for Pennsylvania governor debated for the final time last week in a television studio near Pittsburgh, their Twitter handles waged war online.

Neither Republican Gov. Tom Corbett nor Democratic challenger Tom Wolf send out their own tweets, relying instead on assistants to craft the messages. And that can make their social media accounts seem robotic at times, according to a computer application designed to unmask machines that pose as humans online.

“For a campaign, (they) have a staff of people; they use software; they try to release things at regular time intervals,” said Filippo Menczer, a computer science professor at Indiana University, Bloomington, who developed the “BotOrNot” app.

“They may be legitimate,” Menczer said, “but they still have some of these patterns that, according to our algorithm, are bot-like.”

Social media robots, or “socialbots,” have been programmed to block Twitter conversations, build consensus for otherwise unpopular opinions and attempt to alter human behavior.

See on triblive.com




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