Personal Finance
Money, explained in plain language. I'm a data engineer learning to be a financial advisor on the side, and these are the notes I'm taking along the way.
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Lesson 1
How an economy actually works, in ten minutes
Production, trade, money, GDP, and the circular flow of income. A plain-language map of where your salary comes from and why the country you live in cares.
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Lesson 2
Supply, demand, and why your grocery bill tells a story
The most important diagram in economics, explained with Italian olive oil and Milan rent prices. Plus elasticity, price signals, and why petrol and pasta move differently.
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Lesson 3
Central banks: the people who set the price of money
The ECB and Banca d'Italia, interest-rate decisions, QE explained in plain language, and why the rate on your mutuo moves when Frankfurt coughs.
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Lesson 4
Inflation explained: why your savings are quietly shrinking
CPI vs HICP, ISTAT methodology, the eurozone 2% target, real vs nominal returns, and why 2022 broke everyone's assumptions about 'stable prices'.
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Lesson 5
Recessions and business cycles
Booms, busts, and the Italian experience through 2008, 2011, and 2020. Why the business cycle is real but timing it is almost always a loss.
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Lesson 6
Taxes 101: who pays what in Italy
IRPEF, IRAP, IVA, capital gains, the EU-specific bits. The foundational tax knowledge every lesson in this course depends on.
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Lesson 7
Reading a payslip
RAL, imponibile, IRPEF, INPS, TFR, detrazioni. Every line on an Italian busta paga decoded, so you can verify the net you receive matches what you should.
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Lesson 8
Budgeting that doesn't require spreadsheets from hell
50/30/20, zero-based, envelope. Three methods for organizing your money, Italian-flavored categories, and which actually works for real humans.
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Lesson 9
The emergency fund: how much is enough and where to park it
Why you need cash you can grab in 24 hours, how to size it correctly in Italy, and the best places to keep it so inflation doesn't eat it alive.
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Lesson 10
Debt: good, bad, and the kind that eats you alive
Mutuo, prestito personale, carta di credito revolving. TAEG vs TAN. When debt is a tool, when it's a trap, and the math that tells them apart.
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Lesson 11
CRIF, Experian, and Italy's quiet credit scoring
Why there's no FICO score in Italy but banks still track you. How CRIF works, when it matters, how to check your file, and how to clean it up.
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Lesson 12
The one equation: savings rate and financial independence
One number, computed once, predicts how many years until you could live without working. The Trinity study in EU context, applied to Italian incomes.
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Lesson 13
What 'yourself' means, financially
Human capital vs financial capital, why young people are asset-rich even with no money, and how the two interact across a career.
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Lesson 14
Education ROI in Italy
Laurea vs ITS vs apprenticeship vs self-study. What data says actually pays off in Italy, by field, with real wage numbers.
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Lesson 15
Skills that compound
English, data/coding, communication: specific skills that demonstrably raise Italian earnings, with numbers and time estimates.
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Lesson 16
Health, sleep, and time: the non-obvious investments
Preventive care, physical fitness, and time-use habits. How they compound differently from money but compound just the same.
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Lesson 17
Career moves, job-hopping, and salary negotiation
Why switching jobs pays 3-5× more than raises, how Italians under-negotiate, and specific scripts that work in Italian professional contexts.
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Lesson 18
Freelancing and regime forfettario
The Italian 5%/15% tax-advantaged regime, when it's worth it, and when being an employee is still the better choice.
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Lesson 19
Bank accounts: conto corrente, conto deposito, online banks
Fees, interest, spread, and why Italians over-hold cash. The accounts you actually need and the ones you shouldn't be paying for.
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Lesson 20
Bonds 101: what you're really lending
Coupon, maturity, duration, yield to maturity, default risk. The foundational concepts before we look at BOT, BTP, and corporate bonds.
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Lesson 21
Italian government bonds: BOT, BTP, BTP Italia, BTP Valore
Each of the Italian sovereign debt instruments, their tax advantages, who should buy them, and how to actually purchase them.
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Lesson 22
Corporate bonds and the sovereign-vs-corporate spread
Rating agencies, credit risk, why corporate bonds yield more, and the Parmalat + Lehman lessons for Italian retail investors.
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Lesson 23
Stocks: what you actually own
Equity, voting rights, dividends, buybacks, and the accounting identity that anchors every decision about stock investing.
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Lesson 24
ETFs, UCITS, index funds: the instrument that changed retail investing
How ETFs work, replication methods, distribution vs accumulation, why UCITS matters in the EU, and the ISIN cheat sheet for finding what you want.
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Lesson 25
Fondi comuni italiani — why banks push them so hard
ISC, commissioni di ingresso/uscita, conflict-of-interest advice, and how to escape if your money is trapped in an expensive active fund.
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Lesson 26
PIR: ordinary and alternative
Italian tax-advantaged wrappers explained. Who they're for, how the 5-year rule works, and when they're genuinely worth using.
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Lesson 27
Stock exchanges and indices
Borsa Italiana, Xetra, Euronext. FTSE MIB, MSCI World, S&P 500. How exchanges work, what indices measure, and how to read ETF names without confusion.
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Lesson 28
Price discovery, bid-ask, and slippage
Why you pay slightly more than the quoted price, how spreads work, and the difference between market and limit orders for retail investors.
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Lesson 29
Volatility and risk: the math that isn't scary
Standard deviation in plain language. Why '7% per year' hides huge year-to-year swings, and what to expect from a diversified equity portfolio.
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Lesson 30
Efficient markets and why you probably can't beat them
EMH, the active vs passive debate, SPIVA data, and what it actually means for your investment strategy.
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Lesson 31
Market history in data
S&P 500 since 1928, MSCI World since 1970, FTSE MIB since 1998. Real returns, drawdowns, recoveries, and what the charts actually teach.
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Lesson 32
Crashes, bears, and the worst cases
1929, 1987, 2000, 2008, 2020, 2022. How long recoveries took. What makes a bear market different from a crash. Why the Italian experience differs.
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Lesson 33
Asset allocation: the decision that matters most
Stocks/bonds split, age-based glide paths, empirical evidence, and why asset allocation dwarfs stock picking in importance.
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Lesson 34
Diversification: what it is and what it isn't
Systematic vs idiosyncratic risk. Why 5 Italian stocks aren't diversified, and what real diversification looks like in an equity portfolio.
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Lesson 35
Global vs home-country bias
Italians hold 50%+ Italian equities. Italy is 0.7% of global market cap. The math of what this concentration costs, with real numbers.
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Lesson 36
Currency risk and hedging EUR exposure
What currency risk actually is, when hedging is worth the cost, and why most EUR-based long-term equity investors shouldn't bother.
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Lesson 37
Rebalancing: when, how, and the Italian tax wrinkle
Calendar vs threshold rebalancing, the math, and how to minimize the 26% capital gains drag of realizing gains in Italy.
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Lesson 38
PAC vs lump-sum: the academic evidence
PAC loses about two-thirds of rolling periods. But it still often wins on behavior. The honest answer about how to deploy a lump sum.
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Lesson 39
Sofia builds her first portfolio
Worked example: €12,000 starting, €500/mo PAC, age 28 → 65, in real EUR. Decisions, numbers, trade-offs, final expected outcome.
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Lesson 40
How to actually start investing
A practical walkthrough from zero: broker setup, finding the right ETF, making your first purchase, and keeping it simple in Italian tax context.
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Lesson 41
TER: the silent killer
2% vs 0.2% over 30 years. In euros, on real data. The chart that convinces everyone to index.
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Lesson 42
The hidden costs: spread, transaction fees, FX conversion
Why low-TER isn't the whole story. Currency conversion costs on USD-denominated ETFs, spreads, and broker charges.
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Lesson 43
Broker comparison for IT-resident investors
Fineco, Directa, Degiro, IBKR, Scalable, Trade Republic. Fees, tax regime, UX, and which fits which investor. No affiliate links.
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Lesson 44
Taxation of investments in Italy
26% vs 12.5%, plusvalenze, minusvalenze, regime amministrato vs dichiarativo. The one tax topic every Italian investor must learn cold.
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Lesson 45
IVAFE, Quadro RW, and foreign brokers
Investing via IBKR, Degiro DE. The 0.2% IVAFE, Quadro RW declaration, and when the paperwork is worth the fee savings.
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Lesson 46
Double taxation and dividends
US dividends for Italian residents. W-8BEN. Withholding at source. When it matters and when it doesn't.
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Lesson 47
The Italian pension system (INPS), plain words
Contributivo vs retributivo, age thresholds, quota 103, Opzione Donna. Why 40-somethings are financially unprepared and what to do about it.
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Lesson 48
TFR: where your money quietly sits
TFR in azienda vs TFR in fondo pensione. How it's computed, taxed, and the math of the opt-in decision.
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Lesson 49
Fondi pensione aperti, chiusi, PIP
Taxation advantages (up to €5,164/yr deductible), COVIP data, which PIPs to avoid, and how to pick a fondo pensione aperto when aziendale isn't available.
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Lesson 50
Supplementary pension: a worked example
Sofia at 28 adding €200/mo, Giorgio at 52 adding €500/mo. Different math, different outcomes, same mechanism.
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Lesson 51
Life insurance: Ramo I, III, Index-linked, Unit-linked
Why most life insurance products are bad investments with good names. The 0.5-1% management fee sneak, and when actual life coverage makes sense.
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Lesson 52
FIRE lifestyles: what each tier actually looks like in Italy
Lean, Regular, Chubby, Fat FIRE in Italian context. Realistic numbers, concrete lifestyles, with the 4% rule applied to local prices.
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Lesson 53
The behavioral biases every investor has
Loss aversion, recency bias, confirmation bias, herding. Real Italian examples and how to defend against your own brain.
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Lesson 54
Time in the market beats timing the market
The classic data: missing the 10 best days cuts your return in half. Italian market 1998-2024 numbers included.
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Lesson 55
Why you feel losses more than gains
Prospect theory, asymmetric pain, and how loss aversion wrecks rebalancing discipline, portfolio construction, and long-term outcomes.
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Lesson 56
Financial advisors, consulenti finanziari, OCF
Independent vs bank-tied, fees vs commissions. How to find an OCF-registered advisor in Italy and evaluate whether you actually need one.
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Lesson 57
Common traps: crypto maximalism, hot tips, get-rich-quick schemes
Cautionary tales with data. Why most retail 'opportunities' transfer wealth from you to someone else.
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Lesson 58
Sofia at 28: the 37-year plan
Full worked example. Starting point, PAC, glide path, expected retirement. The plan that ties everything in the course together.
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Lesson 59
Giorgio at 52: the 13-year catch-up
What if you started late? Catch-up math, realistic options, and the tax-deduction advantage of the fondo pensione for older workers.
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Lesson 60
Luca at 18: what I wish someone had told me
A letter to a first-year university student. Three concrete things to do in year one. The capstone of the course — everything in 2,500 words.