Byzantine Economy: Farming, Production and Trade

Agricultural land supplied food and much of the Byzantine government’s taxable wealth. Taxes financed troops and officials, whose payments returned coins to circulation. Constantinople drew grain and other provisions through its harbours, while urban markets connected producers with customers. Later grants of commercial privileges to Italian merchants reduced the state’s share of trade revenues.

The seventh century brought a major break. The Arab conquests removed Egypt, Syria, Palestine and North Africa from Byzantine control, disrupting important farming regions and grain shipments. The empire became more dependent on Anatolia and the Balkans, and many local economies turned toward self-sufficiency as long-distance exchange contracted. Recovery followed from the eighth and ninth centuries, when agricultural production, population and coin circulation expanded again. The twelfth century brought renewed prosperity in some regions but also increasing dependence on privileged Italian merchants. After the Fourth Crusade and the establishment of the Latin Empire in 1204, territorial fragmentation and foreign commercial control placed the remaining Byzantine economy under still greater pressure.

On this page7 sections

Agriculture and the rural economy

Farming was the foundation of Byzantine economic life. Most people lived in villages, and agricultural production supported households directly while also providing the grain, wine, oil, livestock and other goods needed by towns and the army. Cereals were particularly important, while olive oil and wine were major products in regions suited to their cultivation. In colder areas where olive trees were less productive, butter supplied an important alternative source of fat.

Landholding varied. Large estates continued to exist, but many peasants worked smaller holdings and in some periods enjoyed greater autonomy than the dependent cultivators associated with late Roman estates. Rural communities included more than farmers. Smiths, builders, lime burners, mill workers, teachers, doctors and other specialists lived in villages and market towns, linking agricultural households to local services and exchange.

The seventh-century loss of Egypt and the Levant damaged the older balance of production. These territories had supplied substantial surpluses, including grain, and their removal reduced the resources available to the imperial government. Warfare and raiding also damaged rural settlements. During the middle Byzantine recovery, cultivation expanded in parts of Anatolia and the Balkans, and improvements in irrigation and farming practice helped raise output. The state’s military and administrative reorganisation, including the theme system, connected land, local defence and the provision of soldiers, although its operation and importance changed over time.

Farmers used ploughs and irrigation to cultivate crops, and mills processed harvested grain. Mountainous terrain restricted wheeled transport in some regions, including parts of the Pontic lands. Available water, slopes and access routes affected the work that a holding could support.

In the late Byzantine period, especially from the thirteenth to the fifteenth century, taxation, warfare and territorial fragmentation placed further burdens on rural producers. Raids and military conflict disrupted cultivation, and some estates were heavily taxed. Western Anatolia and parts of Greece nevertheless remained productive enough to supply local markets and urban centres.

Land, taxation and imperial finance

The imperial government drew much of its income from land and head taxes, customs duties, and payments connected with production and commerce. Tax collection turned agricultural surpluses into military pay, administrative salaries, public construction and diplomatic payments. The government also requisitioned goods such as grain, wine and biscuits for troops, especially in periods when armies were operating near rural communities. Taxes and requisitions could support the state, but they also placed pressure on villages when harvests were poor or war disturbed production.

Fiscal conditions changed with the empire’s frontiers. Before the seventh-century conquests, the eastern Roman state controlled wealthy agricultural provinces and major cities. The Persian and Arab wars then removed territories that had supplied a large share of revenue. The government responded through borrowing, the use of church wealth, changes in taxation and reductions or adjustments in military pay. Once the empire stabilised in Anatolia and the Balkans, revenues and coin circulation improved. During the ninth and tenth centuries, the treasury could again support large armies, diplomacy and imperial building.

Imperial finance depended not only on ordinary taxation but also on extraordinary demands. Emperors paid subsidies to neighbouring peoples, ransomed prisoners, financed wars and rewarded soldiers or urban populations. These payments could preserve peace or secure military assistance, but they also exposed the treasury to sudden costs. In the twelfth century, the customs duty known as the kommerkion was collected on trade entering or leaving Constantinople. At the same time, exemptions granted to Italian merchants reduced the income that might otherwise have reached the Byzantine government.

Coinage and money in economic life

Constantine introduced the gold solidus in the fourth century. Anastasius I reorganised bronze small change in 498. The solidus, also called the nomisma, remained the principal high-value coin for centuries and circulated beyond imperial territory.

Alexios I’s reform of 1092 introduced the gold hyperpyron after eleventh-century debasement. Around 1304, the silver basilikon followed the model of the Venetian silver grosso. Heavy silver stavrata became the principal high-value Byzantine issues in the later fourteenth century.

Money changers made this system usable in daily commerce. At shops or tables equipped with scales and accounting records, they tested the weight and fineness of coins, exchanged denominations and supplied small change. Their work was private but closely connected to public finance, since the state could require them to assist with minting, coin replacement or the withdrawal of older issues. Loans and partnerships also supported investment and commercial activity, although access to finance varied by wealth and social position.

Byzantine Coinage: Money, Minting, and Imperial Power

Craft production and industrial materials

Manufacturing ranged from household and village production to specialised workshops and imperial establishments. Textiles were among the most important sectors. Byzantine producers worked wool, linen and hemp, using spinning, carding, weaving and dyeing to make clothing, household furnishings, carpets and wall hangings. Linen production was associated with centres such as Scythopolis, while wool processing took place in places including Heraclea in Thrace, Kyzikos and Caesarea. Some workshops were controlled by the state, while others were privately owned.

Silk occupied a special place because it was both a luxury commodity and a diplomatic resource. Raw silk initially reached the empire through long-distance connections with China. According to the established account, silkworms were brought into the empire in the sixth century, allowing domestic production to develop. After Justinian I, the manufacture and sale of silk were closely regulated, with imperial factories and authorised buyers involved in the trade. Byzantine silk was used at court and in diplomacy and was exported to regions including Egypt, Bulgaria and western Europe.

Metalworking supplied both everyday needs and military demands. Artisans worked iron, copper, lead and tin into tools, nails, utensils, keys, fittings and weapons. Goldsmiths and silversmiths produced jewellery, vessels and church objects, often combining precious metal with gems, pearls or enamel. The state regulated valuable metals, including the marking of silver and close supervision of gold. Goldsmiths could also work as money changers and participate in banking, giving them influence in urban financial life.

Glassworkers produced table vessels, lamps and window panes. Carpenters supplied building fittings and worked in ship construction, while leatherworkers made footwear and other articles. Archaeological finds document these crafts in Constantinople and other centres.

Markets, cities and everyday exchange

Bakers processed grain into bread, textile workers prepared clothing, and money changers supplied currency for transactions. These trades employed workshops and stalls across the city.

Most exchange was local or regional. Villages sold surplus food and purchased tools, clothing, pottery and specialist services. Market towns served as collecting points between the countryside and larger cities. Urban demand was especially important for grain, wine, oil, fish and manufactured goods. Workers’ incomes differed sharply: unskilled labourers earned much less than skilled artisans, prosperous merchants or officials, and the ability to purchase luxury products was concentrated among wealthier groups.

The state intervened in commerce through taxation, regulation and control of strategic goods. Imports and exports were subject to customs charges, and luxury goods such as silk, spices and incense attracted particular attention. Constantinople’s position at the meeting point of routes running east to west and north to south made it the empire’s leading commercial centre for much of the medieval period. Trebizond also served as an important eastern port, although the routes using it changed with warfare and political conditions.

Ports, cargoes and the movement of supplies

A port connected several stages of economic work. Ships brought bulk cargo to the waterfront; unloading and storage made it available for redistribution; carts, pack animals and smaller craft carried it onward. Grain had to be kept until it was issued or sold, while wine and other liquids travelled in containers that could be transferred between ship, store and customer. Harbour basins, landing places and stores therefore supported the city’s food supply as well as the exchange of valuable goods.

Constantinople’s Theodosian Harbour, constructed under Theodosius I in the late fourth century, belonged to this provisioning system. Late antique descriptions locate major granaries between it and the neighbouring harbour. Excavation at Yenikapı has recovered vessels of different sizes and functions, including relatively small merchant ships.

Harbours also required adaptation. Sediment gradually reduced the usable area of the Theodosian basin, while territorial losses altered the sources and administration of supply. Egypt’s separation from the empire in the seventh century removed the government’s control of an important grain-producing province. Later trade continued through changed routes and arrangements.

Customs duties made the movement of goods a source of imperial income. Commercial privileges granted to particular Italian communities altered what merchants owed and could give them an advantage over competitors. Assessment, exemptions and the control of access to a port affected the cost of delivery, alongside freight, handling and storage.

The Nile carried Egyptian grain towards Mediterranean ports before the loss of Egypt in the seventh century. In other regions, producers used roads, local crossings and coastal shipping to connect farms with urban markets.

Long-distance trade and changing commercial power

Trade linked Byzantine producers and consumers with the Mediterranean, the Black Sea, the Balkans, the Middle East and, at times, central and eastern Asia. Grain and silk were especially important. The loss of Egypt and North Africa in the seventh century harmed grain supplies and reduced older commercial connections. Later recovery restored parts of the internal and external trade network.

Italian maritime communities became increasingly influential. Amalfi, Venice, Genoa and Pisa obtained commercial privileges that could include reduced customs duties or exemptions. These arrangements brought shipping and military assistance to the empire, but they also transferred part of the profits and control of maritime trade to foreign merchants. In the twelfth century, Venetian and other Italian traders operated under favourable conditions in Byzantine territory. After the Fourth Crusade, Venetian power expanded dramatically, and Genoese merchants later controlled important commercial activity around Constantinople.

The balance between the imperial government and foreign trading communities became especially unequal in the Palaiologan period. Byzantine merchants and officials continued to participate in commerce, and local production remained active in several regions, but the empire no longer controlled the major maritime networks as it had in earlier centuries. In Constantinople, the Genoese settlement of Galata could command greater commercial resources than the imperial city itself.