Journal of Economic Literature 2011‚ 49:2‚ 326–365 http:www.aeaweb.org/articles.php?doi=10.1257/jel.49.2.326 What Determines Productivity? C S * Economists have shown that large and persistent differences in productivity levels across businesses are ubiquitous. This nding has shaped research agendas in a number of elds‚ including (but not limited to) macroeconomics‚ industrial organization‚ labor‚ and trade. This paper surveys and evaluates recent empirical work addressing the question of
Premium Productivity
in part ‚ in the changing needs of society Choose a technology (advances in dietary products‚ advances in fitness equipment‚ advances in transplant technology‚ advances in diagnostic equipment‚ etc.). Create a timeline showing how that technology has advanced over
Premium Genetics Evolution Critical thinking
Potential Energy • Definition and Mathematics of Work • Calculating the Amount of Work Done by Forces • Potential Energy • Kinetic Energy • Mechanical Energy • Power An object can store energy as the result of its position. For example‚ the heavy ball of a demolition machine is storing energy when it is held at an elevated position. This stored energy of position is referred to as potential energy. Similarly‚ a drawn bow is able to store energy as the result of its position. When assuming
Premium Potential energy Energy Kinetic energy
Pseudoscientific Claims The seven warning signs that a claim about behavior might be a pseudoscientific claim are: claimants avoid peer reviewing or other verification‚ exaggerated claims‚ basic theory does not change in response to evidence‚ they look for only evidence that confirms their hypothesis‚ the claimant insists that their theory is accurate because it has not been proven wrong‚ the claim defies what established science has told us about the world‚ the claimants attempt to persuade using
Premium Pseudoscience Scientific method Anecdotal evidence
FORCE ALWAYS HAS FOUR PROPERTIES: 1. It can be expressed as the difference between the initial and final values of a potential-energy function. 3. It is independent of the path of the body and depends only on the starting and ending points. 2. It is reversible. 4. When the starting and ending points are the same‚ the total work is zero. The total mechanical energy ME = K + U is constant. Object moving in a uniform gravitational field gravitational a U = Fh = mgh d ha F=mg Wab =
Premium Potential energy Electric charge Force
use case‚ the use case flow of events It is quite likely that you have written code in an object-oriented language‚ such as Java or C++. In these object-oriented languages‚ you have come to create your programs in terms of classes where each class has its own data (via variables/attributes) and its own behavior (via the class methods). In your programs‚ you create instances of these classes‚ called objects. As your program runs‚ these objects interact with each other to implement the system functionality
Premium Use case Use case diagram Unified Modeling Language
will be the benefits and disadvantages of outsourcing the assembly function? Answer: - Benefits for Metrovox: - Grunwald and Vogel has to commit to delivering the assembled circuit boards to meet their delivery schedule and they must maintain high standards what Metrovox applies to their market position and competitive advantages Disadvantage for Metrovox: - Metrovox has to ship both products in same shipment so they have to wait till Grunwald and Vogel’s shipment and then mix both products Bugabyte
Premium Management Marketing Supply chain management
Auchard’s claim that we have all become ‘’celebrities in a post-privacy age” due to social networking is inaccurate‚ for policies and features have been implemented to allow users to manage their online identities‚ and so privacy remains a choice. Policies developed by social networking sites are self implemented‚ but are also under direct attention of Canadian privacy laws. Social networking sites include features that allow the management of personal information. Such features also include the
Premium Social network service Facebook Social network
Determine two to three (2-3) methods of using stocks and options to create a risk-free hedge portfolio I found the research of this question to be extremely interesting. The simplest form of purchasing securities in order to reduce portfolio risk is hedging. These securities are intended to have negative correlation to the remainder of our portfolio so that it can help offset any other potential losses in our portfolio. We can hedge by buying a put option. We can buy stock with one put option with
Premium Stock Call option Put option
A graded potential in physiology‚ is described as local changes in membrane potential that occur in varying grades or degrees of magnitude or strength. When compared to graded potential‚ an action potential is described as brief‚ rapid‚ large (100mV) changes in membrane potential during which the potential actually reverses so that the inside of the excitable cell transiently becomes more positive than the outside. As with a graded potential‚ an action potential involves only a small portion of
Premium Action potential