Ponzi economics
نویسندگان
چکیده
منابع مشابه
The mathematics of Ponzi schemes
A first order linear differential equation is used to describe the dynamics of an investment fund that promises more than it can deliver, also known as a Ponzi scheme. The model is based on a promised, unrealistic interest rate; on the actual, realized nominal interest rate; on the rate at which new deposits are accumulated and on the withdrawal rate. Conditions on these parameters are given fo...
متن کاملData mining for detecting Bitcoin Ponzi schemes
Soon after its introduction in 2009, Bitcoin has been adopted by cyber-criminals, which rely on its pseudonymity to implement virtually untraceable scams. One of the typical scams that operate on Bitcoin are the so-called Ponzi schemes. These are fraudulent investments which repay users with the funds invested by new users that join the scheme, and implode when it is no longer possible to find ...
متن کاملAnalyzing the Bitcoin Ponzi Scheme Ecosystem
This paper analyzes the supply and demand for Bitcoinbased Ponzi schemes. There are a variety of these types of scams: from long cons such as Bitcoin Savings & Trust to overnight doubling schemes that do not take off. We investigate what makes some Ponzi schemes successful and others less so. By scouring 11 424 threads on bitcointalk. org, we identify 1 780 distinct scams. Of these, half lasted...
متن کاملHarsh default penalties lead to Ponzi schemes
In the presence of utility penalties, collateral requirements do not always eliminate the occurrence of Ponzi schemes. Harsh utility penalties may induce effective payments over collateral recollection values. In this event, loans can be larger than collateral costs and Ponzi schemes become possible.
متن کاملEthical School in Islamic Economics and Conventional Economics
In the present age, it is the age of economic crises and challenges to moral values. Today, with many moral schools, we are faced with the dos and don’ts of economic activities. On the one hand, the Islamic society needs a dynamic and developed economy, and on the other hand, it needs to consolidate and strengthen moral values in order to bring worldly and otherworldly happiness to people by ma...
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ژورنال
عنوان ژورنال: Nature
سال: 1994
ISSN: 0028-0836,1476-4687
DOI: 10.1038/369094b0