UPSC Prelims economy myths
Common misconceptions about focus areas in questions.
PYQ analysis
Studying past questions to identify recurring themes.
Diversity in economy topics
Economy questions now cover more varied subtopics.
Barter system disadvantages
Requires double coincidence of wants and has high costs.
Money functions
Medium of exchange, unit of account, store of value.
Evolution of money
From barter to commodity money to digital forms.
Fungibility
Interchangeability of money units; NFTs are non-fungible.
Barter’s main flaw
No common medium, needs perfect wants match.
Types of money
Fiat money, digital coins, legal tender notes and coins.
Legal tender criteria
Must be fiat money issued by authority, legally accepted.
₹2000 note status
Not demonetized or withdrawn; still legal tender.
CBDC (e₹)
Digital currency issued by RBI, uses blockchain/ledger tech.
UPI ecosystem
Supports interoperable payments via QR codes and apps.
QR code interoperability
Use UPI or BharatQR; RBI banned new proprietary QR codes.
Merchant Discount Rate
Fee on transactions, capped by RBI, affected by subsidies.
UPI MDR subsidy
Government support reducing MDR to 0% for UPI/RuPay debit.
NPCI initiatives
BBPS for bills, UPMS for unified payment management.
Cryptocurrency basics
Digital money using cryptography, decentralized networks.
Blockchain technology
Shared ledger ensuring secure, transparent records.
NFT definition
Unique digital asset stored on blockchain, not interchangeable.
NFT challenges
Speculative bubbles, misuse for crime, high energy use.
Testez vos connaissances avec un QCM de 22 questions sur Understanding Money and Digital Payments.
1. What is the main purpose of using PYQ analysis in UPSC Prelims economy preparation?
2. Why is barter described as an incomplete general exchange system?
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