Railway Control by Commissions

control of the optical properties of nanoparticles by laser fields

در این پایان نامه، درهمتنیدگی بین یک سیستم نقطه کوانتومی دوگانه(مولکول نقطه کوانتومی) و میدان مورد مطالعه قرار گرفته است. از آنتروپی ون نیومن به عنوان ابزاری برای بررسی درهمتنیدگی بین اتم و میدان استفاده شده و تاثیر پارامترهای مختلف، نظیر تونل زنی(که توسط تغییر ولتاژ ایجاد می شود)، شدت میدان و نسبت دو گسیل خودبخودی بر رفتار درجه درهمتنیدگی سیستم بررسی شده اشت.با تغییر هر یک از این پارامترها، در...

Control for Railway Vehicles

Purchasing IPOs with Commissions

We find direct evidence that institutions churn stocks, increase commissions per share and pay unusually high commissions on trades in order to send abnormally high commissions to lead underwriters of upcoming IPOs. These excess commission payments are a particularly effective way for transient investors to receive lucrative IPO allocations. Our results suggest that the underwriter’s concern fo...

The Lancet Commissions

Institute for Global Health (N Watts MA, T Colbourn PhD, I Kelman PhD, Prof A Costello FMedSc) and Institute for Sustainable Resources (P Agnolucci PhD, P Drummond MSc, Prof P Ekins PhD, Prof M Grubb PhD, M Lott MSEng), and Department of Science, Technology, Engineering and Public Policy (J Blackstock PhD, A Cooper PhD) and Public Policy (S Chaytor MA) and Energy Institute (I Hamilton PhD, Prof...

Intermediary Commissions and Kickbacks∗

We investigate the role of commissions paid by product providers to information intermediaries who advise customers on product suitability. These commissions and hidden “kickbacks” are widespread and controversial in markets for retail financial products and health services. We show that product providers have an incentive to pay commissions to steer the intermediary’s advice and to counteract ...