Question and answer sites
- Math Overflow (mathematics)
- Stack Overflow (programming)
- Stack Exchange (mathematics)
- Stack Exchange (statistics)
- On Python for statistics
Programming problems
Research blogs
- Aviation economics blog (public)
- Productivity project group (private)
Student projects
Papers
- ENAC reading group papers
- Airline-related research papers
Photos
- Photos from the Modelling and Measuring Energy Risk Conference, Lisbon [Conference Program]
- Photos of Paul Bekker's boat (an interesting place to do econometrics!), Groningen
Economics departments
Professional associations
Data sources
Useful freeware
- Python (programming)
- R (statistical computing)
- MiKTeX (typesetting)
- WinEdt (TeX front-end)
- Gadwin PrintScreen (screen capture)
- ButtonGenerator (webpage button creator)
- VLC media player (audio / video, includes .flac)
- pdftk (pdf file manipulation)
- Dropbox (online file backup)
- Doodle (meeting planning)
- Google documents (online surveys, documents)
Econometric links and resources
- Econometric links (excellent site maintained by Marius Ooms)
Mathematical / economics links and resources
- ArXiV (e-print archive)
- RePEc working paper repository
- Social Science Research Network (SSRN)
- ScienceDirect (e-print archive)
- Terence Tao's mathematical blog (UCLA)
- Tim Gowers' mathematical blog (Cambridge)
- Freakonomics blog (Steven Levitt and Stephen Dubner)
- The Conscience of a Liberal blog (Paul Krugman, New York Times)
- Lecture notes / graduate
- Lecture notes / all levels
Miscellaneous
Travel log / places I have visited (9.7% of the world's 206 sovereign states -- a long way to go!)
- (1) UK (England, Scotland, Wales), (2) France, (3) Andorra, (4) Monaco, (5) Belgium, (6) Netherlands, (7) Luxembourg, (8) Germany, (9) Austria, (10) Spain, (11) Portugal, (12*) Madeira, (13) Italy, (14*) Corsica, (15) Sweden, (16) Tunisia, (17) Turkey, (18) Cape Verde, (19) USA, (20) Russia, (21) Georgia, (22) Greece
- (graphic created at the maploco website)
My Erdös number : 5 (or less) [MathSciNet collaboration distance calculator]
- Paul ERDÖS (0) - Frank HARARY (1) - George STYAN (2) - Jos TEN BERGE (3) - Paul BEKKER (4) - Steve LAWFORD (5)
- Paul ERDÖS (0) - Paul DEHEUVELS (1) - John EINMAHL (2) - Jan MAGNUS (3) - Karim ABADIR (4) - Steve LAWFORD (5)
My academic ancestors [a line back to Newton, built from the Mathematics Genealogy Project]
- Steve Lawford, University of York, 2001
└ Karim Maher Abadir, University of Oxford, 1992
└ David Roxbee Cox, University of Leeds, 1949
└ Henry Ellis Daniels, University of Edinburgh, 1943
└ Alexander Craig Aitken, University of Edinburgh, 1925
└ Edmund Taylor Whittaker, University of Cambridge, 1895
└ Andrew Russell Forsyth, University of Cambridge, 1881
└ Arthur Cayley, University of Cambridge
└ William Hopkins, University of Cambridge, 1830
└ Adam Sedgwick, University of Cambridge, 1811
└ Thomas Jones, University of Cambridge, 1782
└ Thomas Postlethwaite, University of Cambridge, 1756
└ Stephen Whisson, University of Cambridge, 1742
└ Walter Taylor, University of Cambridge, 1723
└ Robert Smith, University of Cambridge, 1715
└ Roger Cotes, University of Cambridge, 1706
└ Isaac Newton, University of Cambridge, 1668