Lec 4: Demand Curves and Income/Substitution Effects
★
★
★
★
★
5/5
Tuit catalog
Synthesis notes of video analyses, assessed and condensed, in French and English.
41,185 tuit
·
881 channels
·
42 domains
·
Last update: Sep 6, 2026
Agriculture & Food
112
AI — Models & Research
2986
AI — News & Applications
1361
AI & Society
726
Archaeology
74
Arts & Architecture
1158
Astronomy & Cosmology
3228
Biology
1706
Chemistry
302
Climate & Ecology
853
Computing & Cybersecurity
3108
Control & Robotics
331
Earth Sciences & Geography
225
Economics & Finance
2790
Education
643
Energy
1183
Engineering & Technology
2911
Foresight & Science Fiction
337
Geopolitics & Defence
470
History
513
Hobbies & Practical
192
Language & Linguistics
265
Law & Justice
498
Literature & Writing
766
Mathematics
1959
Media & Information
241
Medicine & Health
2576
Neuroscience
389
Paleontology
59
Personal Development
479
Philosophy & Ethics
719
Physics
2803
Politics & Institutions
549
Psychology
455
Religion & Beliefs
196
Science — General & History
1324
Society & Culture
840
Space Exploration
829
Sports
72
Transport & Mobility
126
Urban Planning & Mobility
70
Video Games
761
VSC
Advice on careers and achieving success
51
TRP
Aerospace and aviation technology
808
PBF
Algebra
238
PBMW
Algebraic geometry
154
PBPD
Algebraic topology
42
UMB
Algorithms and data structures
51
KNBT
Alternative and renewable energy industries
117
THV
Alternative and renewable energy sources and technology
136
MKJD
Alzheimer’s, dementia, Parkinson’s disease and other neurodegenerative diseases
61
QDHA
Ancient Greek and Roman philosophy
37
JBFU
Animals and society
20
TTB
Applied optics
27
NKDS
Archaeological sites
23
AM
Architecture
29
UYQD
Artificial general intelligence (AGI)
31
UYQ
Artificial intelligence (AI)
1359
VSPM
Assertiveness, motivation, self-esteem and positive mental attitude
177
TTDS
Astronautics
962
PGG
Astronomical observation: observatories, equipment and methods
101
PG
Astronomy, space and time
849
PHVB
Astrophysics
102
PHM
Atomic and molecular physics
67
TJFM
Automatic control engineering
68
KFFK
Banking
21
THYB
Battery technology
136
PBTB
Bayesian inference
30
PSB
Biochemistry
294
RNCB
Biodiversity
29
PSAD
Bioethics
29
DNBH
Biography: historical, political and military
77
DNBM
Biography: philosophy and social sciences
20
DNBR
Biography: royalty
24
DNBT
Biography: science, technology and medicine
55
DNBL
Biography: writers
37
MQW
Biomedical engineering
21
PHVN
Biophysics
25
TCB
Biotechnology
53
TNK
Building construction and materials
20
KJ
Business and Management
36
KJJ
Business and the environment; sustainable approaches to business
29
KJD
Business innovation
22
KJC
Business strategy
24
PBKA
Calculus
40
PBK
Calculus and mathematical analysis
55
MJD
Cardiovascular medicine
25
JNR
Careers guidance
31
PSF
Cellular biology (cytology)
112
JPQB
Central
42
PN
Chemistry
20
MJCL2
Chemotherapy
26
AMVD
City and town planning: architectural aspects
27
PHD
Classical mechanics
188
RNPG
Climate change
158
RBPC
Climatology and climate modelling
24
UTC
Cloud computing
23
GPJ
Coding theory and cryptology
36
JMR
Cognition and cognitive psychology
106
PSAN5
Cognitive and behavioural neuroscience
225
GTK
Cognitive studies
38
PBV
Combinatorics and graph theory
49
GTC
Communication studies
26
TJK
Communications engineering
29
DSM
Comparative literature
23
PBKD
Complex analysis, complex variables
50
PSAX
Computational biology
76
KNTV
Computer and video game industry
162
UYF
Computer architecture and logic design
104
URH
Computer fraud and hacking
218
UDX
Computer games
514
UGG
Computer games design
212
UYM
Computer modelling and simulation
21
UT
Computer networking and communications
22
UY
Computer science
47
UR
Computer security
604
URJ
Computer viruses, Trojans and worms
24
UYQV
Computer vision
105
PHFC
Condensed matter physics (liquid state and solid state physics)
109
JBGX
Conspiracy theories
45
LNDX
Constitution
31
JPZ
Corruption in politics, government and society
26
PGK
Cosmology and the universe
885
JKVF
Criminal investigation and detection
30
GPH
Data science and analysis
33
GTS
Decolonisation of knowledge
34
KCM
Development economics and emerging economies
55
GTP
Development studies
33
PSC
Developmental biology
36
MBNH3
Dietetics and nutrition
22
PBMP
Differential and Riemannian geometry
34
PBKJ
Differential calculus and equations
85
UBJ
Digital and information technologies: social and ethical aspects
720
KCVM
Digital or internet economics
30
WNA
Dinosaurs and the prehistoric world: general interest
36
JPSD
Diplomacy
29
JBFM
Disability: social aspects
21
JBCT5
Disinformation and misinformation
65
ATFR
Documentary films
22
RNFD
Drought and water supply
20
PHDT
Dynamics and statics
74
QDHC
East Asian and Indian philosophy
26
PSAF
Ecological science, the Biosphere
28
KCX
Economic and financial crises and disasters
28
KCA
Economic theory and philosophy
34
KC
Economics
21
JNDH
Education: examinations and assessment
30
JNK
Educational administration and organization
20
JNV
Educational equipment and technology, computer-aided learning (CAL)
59
JNC
Educational psychology
25
JPHF
Elections and referenda
26
TRV
Electric vehicles
42
THR
Electrical engineering
52
KNBL
Electrical power generation and distribution industries
245
PHK
Electricity, electromagnetism and magnetism
235
TJFD
Electronic devices and materials
178
TJFC
Electronics: circuits and components
165
PHDB
Elementary mechanics
33
MJG
Endocrinology
22
LNCR
Energy and natural resources law
35
THYC
Energy efficiency
53
KNB
Energy industries and utilities
188
RNFY
Energy resources
53
THY
Energy, power generation, distribution and storage
303
TGMD
Engineering: Mechanics of solids
24
UFL
Enterprise software
45
KJH
Entrepreneurship
98
KCVG
Environmental economics
88
MBNH2
Environmental factors
49
RND
Environmental policy and protocols
194
RNA
Environmentalist thought and ideology
76
MBNS
Epidemiology and Medical statistics
108
SXE
eSports
23
QDTQ
Ethics and moral philosophy
44
PSVP
Ethology and animal behaviour
25
PBMH
Euclidean geometry
41
NHD
European history
21
PSAJ
Evolution
81
PSXE
Evolutionary anthropology
42
UYQE
Expert systems
25
ATFG
Film guides and reviews
90
ATFA
Film history, theory or criticism
24
ATFN
Film: styles and genres
334
KFF
Finance and the finance industry
32
KFFF
Financial technology (fintech)
29
RNFF
Food security and supply
30
PBKF
Functional analysis and transforms
26
PGM
Galaxies and stars
287
UMK
Games development and programming
36
JBSF
Gender studies, gender groups
20
JBSF1
Gender studies: women and girls
69
MKZV
Gene therapy
36
GTZ
General studies and General knowledge
21
UYQF
Generative artificial intelligence
1410
TCBG
Genetic engineering
47
PSAK
Genetics (non-medical)
592
PHVG
Geophysics
32
JPSL
Geopolitics
256
THVG
Geothermal energy and power
34
PHDV
Gravity
24
KFFS
Green finance
51
PBG
Groups and group theory
103
MJF
Haematology
20
MBP
Health systems and services
35
JBFN
Health, illness or addiction: social aspects
21
VFMD
Health: Diets and nutrition
20
MJJ
Hepatology
40
JNM
Higher education, tertiary education
216
RBGF
Historical geology and palaeogeology
34
NHAH
Historiography
30
UBB
History of Computing, digital and information technologies
41
TBX
History of engineering and technology
20
PBX
History of mathematics
25
PDX
History of science
106
NHK
History of the Americas
42
NHT
History: specific events and topics
20
JBFD
Housing and homelessness
20
JPVH
Human rights, civil rights
38
THD
Hydrogen technologies
50
THVH
Hydropower
21
MJCM
Immunology
78
PDR
Impact of science and technology on society
98
AMB
Individual architects and architectural firms
23
AGB
Individual artists, art monographs
27
ATFB
Individual film directors, film-makers
26
PDG
Industrial applications of scientific research and technological innovation
44
MJCJ
Infectious and contagious diseases
53
KNTX
Information technology industries
133
JWD
Information warfare
25
GTV
Institutions and learned societies: general
31
PBKL
Integral calculus and equations
21
JPSN
International institutions
23
JPS
International relations
21
KCLT
International trade and commerce
43
ATN
Internet and digital media: arts and performance
49
DNPB
Interviews
31
KFFM
Investment and securities
108
KJMV3
IT and information systems management
35
KCF
Labour
80
PHJL
Laser physics
42
DSRC
Literary companions, book reviews and guides
25
DSK
Literary studies: fiction, novelists and prose writers
62
DSC
Literary studies: poetry and poets
43
DSA
Literary theory
22
UYQM
Machine learning
940
KCB
Macroeconomics
20
KJMB
Management: leadership and motivation
36
TGM
Materials science
45
MKCM
Materno-foetal medicine
34
PHU
Mathematical
129
PBCD
Mathematical logic
99
PBWH
Mathematical modelling
51
UYA
Mathematical theory of computation
186
PB
Mathematics
76
MFKH3
Maturation and ageing
59
JBCT
Media studies
21
JBCT1
Media studies: internet, digital media and society
48
JBCT4
Media studies: journalism
76
MBF
Medical and health informatics
55
MFN
Medical genetics
155
MKS
Medical imaging
20
MBGL
Medical laboratory testing and techniques
20
MBGR
Medical research
42
RBPM
Meteorology
22
PSG
Microbiology (non-medical)
50
JWK
Military and defence strategy
34
PSD
Molecular biology
157
KCBM
Monetary economics
70
TBN
Nanotechnology
25
UYX
Natural computing
722
RNR
Natural disasters
21
UYQL
Natural language and machine translation
116
UTN
Network security
43
UTP
Networking standards and protocols
21
UYQN
Neural networks and fuzzy systems
348
MKJ
Neurology and clinical neurophysiology
53
PSAN
Neurosciences
106
PNRL
Nuclear chemistry, photochemistry and radiation
26
RNQ
Nuclear issues
26
MKR
Nuclear medicine
66
PHN
Nuclear physics
99
THK
Nuclear power and engineering
174
PBH
Number theory
181
PBKS
Numerical analysis
32
RBKC
Oceanography (seas and oceans)
41
MJCL
Oncology
113
PHJ
Optical physics
137
PBU
Optimization
28
TTMW
Ordnance, weapons technology
20
PNN
Organic chemistry
64
RBX
Palaeontology
59
MKB
Palliative medicine
32
UYFP
Parallel processing
24
PHP
Particle and high-energy physics
102
GTU
Peace studies and conflict resolution
34
VSB
Personal finance
29
KJMV2
Personnel and human resources management
25
KNBP
Petroleum, oil and gas industries
79
MKG
Pharmacology
45
QD
Philosophy
28
PBB
Philosophy of mathematics
29
QDTM
Philosophy of mind
63
PDA
Philosophy of science
136
QDTK
Philosophy: epistemology and theory of knowledge
108
QDTL
Philosophy: logic
47
QDTJ
Philosophy: metaphysics and ontology
38
PNR
Physical chemistry
65
PH
Physics
149
PHDF
Physics: Fluid mechanics
40
JMM
Physiological psychology, neuropsychology, biopsychology
23
MFG
Physiology
48
PSTB
Plant biology
22
PHFP
Plasma physics
22
KCP
Political economy
96
JPHL
Political leaders and leadership
36
JPA
Political science and theory
20
JPHV
Political structures
41
JP
Politics and government
53
RNP
Pollution and threats to the environment
30
PDZM
Popular and recreational mathematics
68
WNX
Popular astronomy and space
714
QDXB
Popular philosophy: Meaning of life
22
VSP
Popular psychology
74
PDZ
Popular science
305
JPWG
Pressure groups, protest movements and non-violent action
25
URD
Privacy and data protection
27
PBT
Probability and statistics
215
TGP
Production and industrial engineering
34
UMX
Programming and scripting languages: general
89
UMA
Programming techniques
25
JMA
Psychological theory, systems, schools and viewpoints
20
JM
Psychology
55
JMQ
Psychology: emotions
22
JMT
Psychology: states of consciousness
31
MKGW
Psychopharmacology
35
JPP
Public administration
25
KFFD
Public finance and taxation
41
MBN
Public health and preventive medicine
58
PHQ
Quantum physics (quantum mechanics and quantum field theory)
717
JBFA1
Racism and racial discrimination
24
PBKB
Real analysis, real variables
36
MFGG
Regional physiology
23
PHR
Relativity physics
273
QRAM3
Religion and science
24
DNP
Reportage, journalism or collected columns
66
GPS
Research methods
95
TJFM1
Robotics
262
KJS
Sales and marketing
36
KJMV7
Sales and marketing management
40
UFLS
SAP (Systems, applications and products in databases)
22
FLU
Science fiction: aliens
75
FLW
Science fiction: space exploration
198
FLS
Science fiction: space opera
34
PDK
Science funding and policy
64
PD
Science: general issues
50
PDM
Scientific research
45
NHWR7
Second World War
37
CFG
Semantics, discourse analysis, stylistics
28
PSAN4
Sensory and motor systems
20
TJKH
Signal processing
27
NHTS
Slavery, enslaved persons and abolition of slavery
26
NHTB
Social and cultural history
43
JBF
Social and ethical issues
27
QDTS
Social and political philosophy
60
JBFZ
Social forecasting, future studies
20
RNT
Social impact of environmental issues
41
JMH
Social, group or collective psychology
43
CFB
Sociolinguistics
34
UMZ
Software Engineering
64
THVS
Solar power
150
PGS
Solar system: the Sun and planets
288
TTDX
Space exploration
510
TTD
Space science
277
DNS
Speeches
35
PHS
Statistical physics
48
PBWL
Stochastics
43
RNU
Sustainability
45
JNU
Teaching of a specific subject
28
ATJ
Television
39
ATJS
Television: styles and genres
20
ATD
Theatre studies
22
PGC
Theoretical and mathematical astronomy
49
ABA
Theory of art
23
PHH
Thermodynamics and heat
25
PGZ
Time (chronology), time systems and standards
42
PBP
Topology
21
RPC
Urban and municipal planning and policy
48
MBNK
Vaccination
27
RBC
Volcanology and seismology
24
PHDS
Wave mechanics (vibration and acoustics)
34
UMW
Web programming
49
THVW
Wind power
24
CBW
Writing and editing guides
25
Lec 3: Budget Constraints and Constrained Choice
★
★
★
★
★
5/5
Lec 26: Health Care Economics
★
★
★
★
★
5/5
Lec 25: Behavioral Economics
★
★
★
★
★
5/5
Lec 2: Preferences and Utility Function
★
★
★
★
★
5/5
F. Astronomie Fleurance 2024 : L'adolescence volcanique de la Lune - par David BARATOUX
F. Astronomy Fleurance 2024: The volcanic adolescence of the Moon - by David BARATOUX
★
★
★
★
☆
4/5
DeepSeek a Démultiplié sa Vitesse x3 TOUT SEUL - L'IA Ultra-Évolutive
DeepSeek Has Multiplied Its Speed x3 ALL ON ITS OWN - The Ultra-Evolving AI
★
★
★
☆
☆
3/5
Author of Dune: Frank Herbert's extraordinary life
★
★
★
★
★
5/5
50+ Insane Ways To Use The NEW ChatGPT
★
★
★
★
☆
4/5
JAMES WEBB, l'image magnifique des aurores boréales de Neptune ! DNDE 389
JAMES WEBB, the magnificent image of Neptune's auroras! DNDE 389
★
★
★
★
☆
4/5
Comment créer une App avec l'IA et ChatGPT sans Coder
How to Create an App with AI and ChatGPT Without Coding
★
★
★
★
☆
4/5
C'EST TERMINÉ ... ChatGPT a Remporté la Course à l'IA !
IT'S OVER ... ChatGPT Has Won the AI Race!
★
★
☆
☆
☆
2/5
Vibe Coding : 90% des Développeurs au Chômage en 2025 ?!
Vibe Coding: 90% of Developers Unemployed by 2025?!
★
★
☆
☆
☆
2/5
This Chrome Extension Makes AI Agents Super Easy!
★
★
★
★
☆
4/5
Comment transformer Claude 4.5 en super Agent IA – Tuto MCP
How to transform Claude 4.5 into a super AI Agent – MCP Tutorial
★
★
★
★
☆
4/5
Cette TECHNOLOGIE rend possible les ASCENSEURS SPATIAUX ! - On Se l'Demande #142 - Le JDE
This technology makes space elevators possible! - On Se l'Demande #142 - Le JDE
★
★
★
★
☆
4/5
"Nunca os deis por vencidos" | Diego González Rivas, cirujano
Never give up | Diego González Rivas, surgeon
★
★
★
★
☆
4/5
Les EXTRATERRESTRES comprendront-ils nos messages ?
Will ALIENS understand our messages?
★
★
★
★
☆
4/5
Les expériences temporelles sur l'UNIVERS qui font buguer votre cerveau
Time experiments on the UNIVERSE that bug your brain
★
★
★
★
☆
4/5
LE MONDE S'EFFONDRE (MAIS UN AUTRE EST DEJÀ LÀ !) - Olivier Hamant | LIMIT #performance #robustesse
THE WORLD IS COLLAPSING (BUT ANOTHER ONE IS ALREADY HERE!) - Olivier Hamant | LIMIT #performance #robustesse
★
★
★
★
☆
4/5
Le "père des robots" lâche une bombe : « D’ici 5 ans, chaque humain aura son robot ! »
The "father of robots" drops a bombshell: "Within 5 years, every human will have their own robot!"
★
★
★
☆
☆
3/5
David Lisnard : Comment Sauver la France de la FAILLITE ? (2H45 d'ITW EXCLUSIVE)
David Lisnard: How to Save France from BANKRUPTCY? (2H45 of EXCLUSIVE INTERVIEW)
★
★
★
★
☆
4/5
Crystal Aliens: Life, But Not As We Know It
★
★
★
★
☆
4/5
STARSHIP Mars 2028 : DÉFIS techniques IMPOSSIBLES ? - Le Journal de la Starbase #248 - Le JDE
STARSHIP Mars 2028: IMPOSSIBLE TECHNICAL CHALLENGES? - Starbase Journal #248 - The JDE
★
★
★
☆
☆
3/5
Les USA testent une Arme Laser Ultime ! CHOC des Russes.
The USA tests the ultimate laser weapon! Shock from the Russians.
★
★
☆
☆
☆
2/5
F. Astronomie Fleurance 2024 : Les infinis de l’espace-temps (cosmologie) - par J.P. UZAN
F. Astronomy Fleurance 2024: The infinities of space-time (cosmology) - by J.P. UZAN
★
★
★
★
★
5/5
![Sur la piste de la matière noire et de l'énergie sombre avec Euclid. [Jean-Charles Cuillandre]](https://i.ytimg.com/vi/BsA1SjniyhQ/maxresdefault.jpg)
Sur la piste de la matière noire et de l'énergie sombre avec Euclid. [Jean-Charles Cuillandre]
On the trail of dark matter and dark energy with Euclid. [Jean-Charles Cuillandre]
★
★
★
★
☆
4/5
James WEBB détecte de L'OXYGÈNE à 13 Milliard d'années lumière ! Le Journal de l'Espace #283 - Actu
James Webb Detects Oxygen 13 Billion Light Years Away! Space Journal #283 - News
★
★
★
★
☆
4/5
Elden Ring Convergence : présentation et installation d'un mod surprenant et très fun !
Elden Ring Convergence: presentation and installation of a surprising and very fun mod!
★
★
★
★
☆
4/5
ChatGPT and Google Blew Everyone's Mind This Week!
★
★
★
★
☆
4/5