Income Is a Series of Events: Economics in the Dimension of Time
This is Suzhou Victory Textile Co., Ltd.
Life has four basic constraints: not enough stuff, limited time, mutual dependence, and coordination. Previously, we talked about “not enough stuff”—how to divide, exchange, and manage property. Today, we add a new dimension: time.
Scarcity exists in time too. Today’s goods are “spot,” tomorrow’s are “futures.” How do we exchange spot for futures to maximize happiness? That brings us to a classic: Irving Fisher’s The Theory of Interest.
Open it. The first line stops you cold: “Income is a series of events.”
What does that mean? All goods fall into two categories: consumables and durables.
1. Consumables: One‑shot use
An apple, an egg, a glass of milk—gone in one bite. That’s a consumable. Cheese? Making it takes time, but eating it is one bite—so cheese is also a consumable. Drinking milk today or making cheese for tomorrow is a choice: spot now or futures later.
2. Durables: Value released over time
Durables are different. Their value unfolds gradually.
A painting—you must spend time appreciating it. You can’t swallow all its beauty at once. An apple tree yields ten apples this year, ten next year. You can’t eat all future apples today. Human capital is a durable—your degree, skills, experience cash out only over working years.
Professor Zhou Qiren has a gift: switching focus instantly—one moment discussing fieldwork, the next writing an article, almost zero lag. He jokes, “That’s capital too.” See? Economics in everything.
3. Children: The most special durable
When Gary Becker first said “children are durable consumer goods,” the room erupted in laughter. How can kids be goods?
Economists see differently: having children is rational investment. You spend time loving, enjoying, getting joy—that’s consumption.
I know this well. Before ten, a child is pure “consumption.” Pick him up from kindergarten, he proudly shouts, “That’s my dad!” After ten? “Just stay in the car. Don’t come out.”
4. Why more kids in poor societies?
If children are durables, why do poor societies have more, rich ones fewer?
Because durables’ value takes time to realize. The poor have no other capital—no stocks, no property, no degrees. Children are their main “asset”—future labor, future support.
The rich have plenty: houses, stocks, pensions, insurance. Children become “luxury goods”—time‑intensive, money‑intensive, returning emotion, not income.
So: poorer, more kids; richer, fewer. It’s not morality—it’s economic rationality.
5. Textiles are durables too
At Suzhou Victory Textile, we make fabric. A good garment isn’t a one‑use consumable. It stays with you over time, getting more comfortable, more character. Good fabric is a durable—its value releases with every wear.
Time is scarce. Patience is valuable. Those who understand value unfolding over time truly grasp economics’ final lesson.
收入是一连串的事件：时间维度下的经济学
这里是苏州维特瑞纺织。
生活中有四种约束：东西不够、时间有限、互相依赖、需要协调。前面我们聊的都是“东西不够”——怎么分、怎么换、怎么管。今天，我们给经济学加上一个维度：时间。
时间维度上，稀缺依然存在。今天的货叫现货，明天的货叫期货。现货和期货怎么交换，才能让幸福最大化？这就引出一部经典——欧文·费雪的《利息理论》。
翻开这本书，第一句话就让你愣住：“收入是一连串的事件。”
什么意思？所有商品，都可以分成两类：易耗品和耐用品。
一、易耗品：一次吃完
苹果、鸡蛋、牛奶——一口下去就没了，这叫易耗品。奶酪呢？做奶酪要花时间，但吃也是一口的事，所以奶酪也是易耗品。今天喝牛奶还是做奶酪，是一个选择——把牛奶当现货，还是变成期货以后再吃。
二、耐用品：慢慢释放
耐用品不一样。它的价值，必须在时间里慢慢释放。
油画，你得花时间欣赏，不可能一眼吞下全部美感。苹果树，今年结十个，明年结十个，你不能一口气把未来十年的苹果全吃掉。人力资本也是耐用品——你的学历、技能、经验，只能在工龄里一点点兑现。
周其仁老师有个本事：切换注意力极快，上一秒谈调研，下一秒写文章，几乎零延迟。他开玩笑说：“这也是一种资本。”你看，吃的是经济学，喝的是经济学，呼吸的都是经济学。
三、儿童：最特别的耐用品
加里·贝克第一次说“儿童是一种可消费的耐用品”时，全场哄笑。孩子怎么能是消费品？
经济学家算的是另一笔账：生儿育女，其实是理性投资。你在时间里陪他、爱他、欣赏他，从中获得快乐——这不就是消费吗？
我深有体会。孩子十岁前，是真正的“消费品”。去幼儿园接他，他自豪地跟同学喊：“那是我爸爸！”十岁后？你接他，他说：“你就在车里待着，别出来。”
四、为什么越穷越生？
如果儿童是耐用品，为什么贫穷社会生得多，富裕社会生得少？
因为耐用品的价值，需要时间兑现。穷人没有别的资本——没有股票、没有房产、没有高学历——孩子就是他们最重要的“资产”。孩子长大能干活、能养老，是未来的保障。
富人呢？他们的资本太多了：房子、股票、养老金、医疗保险。孩子不再是唯一的“投资品”，反而成了“奢侈品”——投入时间、金钱、精力，回报的是情感，不是经济。
所以，越穷越生，越富越不生。这不是道德问题，是经济理性。
五、纺织也是耐用品
我们苏州维特瑞纺织，做的是面料。一件好衣服，不是一次性的易耗品。它在时间里陪着你，越穿越舒服，越洗越有味道。好的面料，就是耐用品——它的价值，在每一次穿着中慢慢释放。
时间是稀缺的，耐心是值钱的。懂得在时间里慢慢兑现价值的人，才真正理解经济学的最后一课。
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Suzhou Victory Textile Co., Ltd. （苏州维特瑞纺织有限公司）is located in Changshu city(belongs to Suzhou District) Jiangsu,China. 80 Kilometers away from Shanghai Port.
Our team has been working in textile over 18 years.Our mainly products are Tie dyed Fabric,Velour/Velvet,Quilt Fabric,Jacquard Fabric,Single Jersey, Pique,Rib Fabric,Bird Eyes/Mesh Fabric, Interlock, French Terry/Fleece, Polar Fleece, Coral Fleece, Flannel Fleece, PV Plush, Sherpa Fleece,Coarse Needle Fabric etc Fabrics.
Compositions include Polyester,Cotton,Spandex/Lycra,Nylon/Polyamide,Rayon/Viscose,Modal/Tencel,Bamboo,Arcylic,Soybean,Wool,Flax/Linen,etc.
Functional Fabric:Sportswear Fabric(Coolmax,Coolpass,Coolplus,X-dry,Cooldry,Feelcool Ice,Topcool,Sorona,Supplex etc.),Waterproof,Fireproof(Aramid,Polyimide),Heat(Thermolite),Antibiosis(Sanitized),Uvioresistant,Radiation-proof,Recycle,BCI,Organic,Pima/Supima etc Fabrics.
We also have invested a home textiles & garments factory where we move our fabrics to sew many kinds of Garments, blankets etc.
Our marketing team and QC department are checking all the day in every process and keep close contact with customers to make sure customer knows every stage of the production. All the fabrics and blankets are inspected by our QC before packaging and shipping. Also we can provide some certifications Such as Oeko-Tex standard 100, SGS, Intertek etc.
We have production capability 5000 tons of various type of fabrics annually.Our products are mainly transported to China, southeast Asia, Middle East, Europe and America etc.
Welcome to our company. We will highly appreciate any inquiry and question from you and respond asap.We believe you will enjoy one-stop service from us if you work together with us.