895 citations · 3.9k across the 10 of their papers we have counts for
3 papers · 1 filter
Environmental changes, co-extinction, and patterns in the fossil record
Luis A. N. Amaral, Martin Meyer
We introduce a new model for large scale evolution and extinction in which species are organized into food chains. The system evolves by two processes: origination/speciation and e…
Universal features in the growth dynamics of complex organizations
Youngki Lee, Luis A. N. Amaral, David Canning +2
We analyze the fluctuations in the gross domestic product (GDP) of 152 countries for the period 1950--1992. We find that (i) the distribution of annual growth rates for countries o…
Inverse Cubic Law for the Probability Distribution of Stock Price Variations
Parameswaran Gopikrishnan, Martin Meyer, Luis A Nunes Amaral +1
The probability distribution of stock price changes is studied by analyzing a database (the Trades and Quotes Database) documenting every trade for all stocks in three major US sto…