Theory of Knowledge - Course Companion for Students Marija Uzunova Dang Arvin Singh Uzunov Dang

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case study below considers the example ofTheeconomics—for better or worse—has strivedhowis sometimes proclaimed the mostEconomicsamong the human sciences, at leastrigorouseconomists. The issue of the supposedbyof economics is our entry point into therigourabout the contestable boundariesdiscussionthe natural and human sciences,betweenthe exchange between both of them andandmathematics.who believe in the rigour of economicsSomeit reflects a natural order of social reality.thinkmight think this false, even bizarre,Othersthe discipline’s repeated failure to predictgivenprevent economic crises. Critics point outandthis chasing of rigour has led to an over-thaton abstract mathematical models,reliancerather than producing predictions aboutwhich,couple of decades. Could mathematics helppasthuman sciences navigate and make sense oftheAnd critics have been sayingmethodology.for several decades, but change has beenthisThe 2009 global recession that wiped outslow.of dollars of savings, and precipitatedmillionsdebt crisis in Southern Europe, came just sixaafter a leading economist had proclaimedyearsthe “central problem of depressionpreventionthathas been solved” (Lucas quoted in2009). Nobel Laureate Paul Krugman,Krugmanof the most trenchant critics among theoneeconomists, has summed up as follows:leadingeconomics profession went astray because“theas a group, mistook beauty, cladeconomists,impressive-looking mathematics, for truth”in2009). Why were they impressed by(Krugmanmathematics?as a term was devised by Paul“Mathiness”an Economics Nobel Laureate, whoRomer,used it to describe a style of workoriginally“lets academic politics masqueradethatscience” (Romer 2015) by camouflagingasarguments in an ambiguous mixpoliticalwords and symbols, natural and formalofand theoretical and empiricallanguage,He argues that mathiness makes itcontent.to access and critique the economicsdifficultand gives the work an unearneddiscourse,of authority. Both of these—access andsenseto Krugman, there are strongAccordingand business incentives that propelpoliticalidealized vision of economies composedanfully rational agents—despite plentyofevidence to the contrary—and “fancyofhave obscured these less-tenableequations”assumptions in both academia andmodelTo make his long argument short,policy.asserts that mathiness is usedKrugmandefend faulty economics, including thetoI. ScopeI. Scopethe complexity of the world?to maintain its legitimacy and authority in theCase studyMathiness and physics envy in thehuman sciencesThere is an implicit pecking order among thesocial sciences, and it seems to be dominatedby economics. For starters, economists seethemselves at or near the top of the disciplinaryhierarchy. In a survey conducted in the early2000s, [David] Colander found that 77 per cent ofeconomics graduate students in elite programsagree with the statement that “economics is themost scientic of the social sciences”. Some fteenyears ago, Richard Freeman speculated on theorigins of this conviction. His assessment wascandid: ‘sociologists and political scientists haveless powerful analytical tools and know less thanwe do, or so we believe. By scores on the GraduateRecord Examination and other criteria, our eldattracts students stronger than theirs, and ourcourses are more mathematically demanding’.(Fourcade et al 2015)authority—are significant knowledge issues.the future, actually obscure a pseudo-scientificneoliberal paradigm.209

I. Scopecentral cause of the profession’s failure wasThedesire for an all-encompassing, intellectuallytheKrugman and Romer have said thatBothcan conceal political argumentsmathinessnaturalistic or empirical clothing. This isinproblematic because, in the wordsespeciallyJohn Rapley, a political economist at theofof Cambridge, “scientists areUniversityto reach their conclusions after doingsupposedand weighing the evidence but, inresearchconclusions can come first, witheconomics,gravitating towards a thesis thateconomiststheir moral worldview” (Rapley 2018).fitsthese theories with mathiness canDressingthem more convincing, or at least moremaketo critique.difficultis there evidence for the claim thatButlends the human sciences an auramathematicsauthority, deserved or otherwise? Consider,ofa minute, the pseudo-scientific claims,forby statistics, that are regularlysupportedin everything from advertisinginvokedpolitical debates. One is reminded howtoThomson, a renowned 19th-centuryWilliamknown for his work on the lawsscientistthermodynamics, had stated. “When youofmeasure what you are speaking about andcanit in numbers you know somethingexpressit; but when you cannot measure it … inaboutyour knowledge is of a meagre andnumbers,implications of measurement are exploredThesection III. The success of physics andinin explaining our world may havechemistryto a perception that mathematicalcontributedhave an authoritative force. Withinformulashuman sciences there is even a term forthe“physics envy”, used to criticize thethis,of complicated mathematics to appearoverusecan guarantee the semblanceMathematicsscience, and sometimes that is enoughofwhich a community organises its production.bynot accidental that Adam Smith, whose workIt’sWealth of Nations (1776) is often seen asThefounding text of economics, was a moraltheYet ever after, it was the holy grail ofphilosopher.to make their art into a science, usingeconomiststo uncover the codes supposedly buried in theiritof human existence. They experimentedheartmathematics and pondered Charles Darwin’swithin biology, but it would be the laterevolutioncentury before economics nally found a19thfor itself. It found it in physics. But … themodelvery term ‘social science’ is probably besttheas an oxymoron … in the 1970s, the NobelseenWassily Leontief warned against the driftlaureatehad begun in economics towards what wasthatand Romer have applied theKrugmancritique to their community ofmathinesseconomists, but it has beenprofessionalin other disciplines in the humaninvokedtoo. Steven Pinker’s book Thesciences,Angels of Our Nature (2011) used a vastBetteranalysis to argue that the present isstatisticalmost peaceful time in human history, andthea wide global audience including,impressedMicrosoft co-founder Bill Gatesapparently,the philosopher Peter Singer. However,andmethods were publicly criticized byPinker’sTaleb, an outspoken statistician, authorNassimprofessor at New York University. To whatandcould a layperson access and critiqueextentmethods? How would we knowPinker’sTaleb is right? For those of us who arewhethernon-experts, it can be difficultmathematicaljudge who is right and wrong, when bothtoappear to hold heavy-weight academicsides8to convince laypeople and academics alike.approach that also gave economists aelegantto show o their mathematical prowess.chance(Krugman 2009)has always been an ethical and socialEconomicsits purpose being to produce the rulesexercise,nature of human beings makes any lawssocialbehaviour tentative and contextual. In fact,ofsubsequently called ‘physics envy’.(Rapley 2018)unsatisfactory kind.”more rigorous.210

I. Scope

central cause of the profession’s failure was

The

desire for an all-encompassing, intellectually

the

Krugman and Romer have said that

Both

can conceal political arguments

mathiness

naturalistic or empirical clothing. This is

in

problematic because, in the words

especially

John Rapley, a political economist at the

of

of Cambridge, “scientists are

University

to reach their conclusions after doing

supposed

and weighing the evidence but, in

research

conclusions can come first, with

economics,

gravitating towards a thesis that

economists

their moral worldview” (Rapley 2018).

fits

these theories with mathiness can

Dressing

them more convincing, or at least more

make

to critique.

difficult

is there evidence for the claim that

But

lends the human sciences an aura

mathematics

authority, deserved or otherwise? Consider,

of

a minute, the pseudo-scientific claims,

for

by statistics, that are regularly

supported

in everything from advertising

invoked

political debates. One is reminded how

to

Thomson, a renowned 19th-century

William

known for his work on the laws

scientist

thermodynamics, had stated. “When you

of

measure what you are speaking about and

can

it in numbers you know something

express

it; but when you cannot measure it … in

about

your knowledge is of a meagre and

numbers,

implications of measurement are explored

The

section III. The success of physics and

in

in explaining our world may have

chemistry

to a perception that mathematical

contributed

have an authoritative force. Within

formulas

human sciences there is even a term for

the

“physics envy”, used to criticize the

this,

of complicated mathematics to appear

overuse

can guarantee the semblance

Mathematics

science, and sometimes that is enough

of

which a community organises its production.

by

not accidental that Adam Smith, whose work

It’s

Wealth of Nations (1776) is often seen as

The

founding text of economics, was a moral

the

Yet ever after, it was the holy grail of

philosopher.

to make their art into a science, using

economists

to uncover the codes supposedly buried in their

it

of human existence. They experimented

heart

mathematics and pondered Charles Darwin’s

with

in biology, but it would be the late

revolution

century before economics nally found a

19th

for itself. It found it in physics. But … the

model

very term ‘social science’ is probably best

the

as an oxymoron … in the 1970s, the Nobel

seen

Wassily Leontief warned against the drift

laureate

had begun in economics towards what was

that

and Romer have applied the

Krugman

critique to their community of

mathiness

economists, but it has been

professional

in other disciplines in the human

invoked

too. Steven Pinker’s book The

sciences,

Angels of Our Nature (2011) used a vast

Better

analysis to argue that the present is

statistical

most peaceful time in human history, and

the

a wide global audience including,

impressed

Microsoft co-founder Bill Gates

apparently,

the philosopher Peter Singer. However,

and

methods were publicly criticized by

Pinker’s

Taleb, an outspoken statistician, author

Nassim

professor at New York University. To what

and

could a layperson access and critique

extent

methods? How would we know

Pinker’s

Taleb is right? For those of us who are

whether

non-experts, it can be difficult

mathematical

judge who is right and wrong, when both

to

appear to hold heavy-weight academic

sides

8

to convince laypeople and academics alike.

approach that also gave economists a

elegant

to show o their mathematical prowess.

chance

(Krugman 2009)

has always been an ethical and social

Economics

its purpose being to produce the rules

exercise,

nature of human beings makes any laws

social

behaviour tentative and contextual. In fact,

of

subsequently called ‘physics envy’.

(Rapley 2018)

unsatisfactory kind.”

more rigorous.

210

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